Nut definition

nŭt
(vulgar slang) To ejaculate.
verb
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The dry, one-seeded fruit of any of various trees or shrubs, consisting of a kernel, often edible, in a hard and woody or tough and leathery shell, more or less separable from the seed itself, as the walnut, pecan, chestnut, acorn, etc.
noun
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A crazy or eccentric person.
noun
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A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.
noun
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The definition of a nut is a small metal or wood block with a threaded hole in the middle.

An example of a nut is how you would keep a metal screw from popping out of its hole.

noun
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(intransitive, slang) To ejaculate (semen).
verb
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(slang) The human head.
noun
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The usually edible seed of such a fruit.
noun
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Any of various other usually edible seeds enclosed in a hard covering such as a seed coat or the stone of a drupe, as in a pine nut, peanut, almond, or walnut.
noun
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The testicles.
noun
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To gather or hunt for nuts.
verb
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The definition of a nut is a dry fruit with one seed or kernel.

An example of a nut is an almond.

noun
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An indehiscent fruit having a single seed enclosed in a hard shell, such as an acorn or hazelnut.
noun
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A ridge of wood at the top of the fingerboard or neck of a stringed instrument, over which the strings pass.
noun
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(typography slang) En, a unit of measurement equal to half of the height of the type in use.
noun
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(vulgar, slang) Semen, ejaculate.
noun
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(informal) A difficult endeavor or problem.

Painting the closet was a tough nut to crack.

noun
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(vulgar slang) A testicle.
noun
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An enthusiast; a buff.

A movie nut.

noun
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A device at the lower end of the bow for a stringed instrument, used for tightening the hairs.
noun
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The cost of launching a business venture.
noun
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The operating expenses of a theater, theatrical production, or similar enterprise.
noun
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The kernel, or meat, of such a fruit.
noun
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(loosely) Any hard-shell fruit that will keep more or less indefinitely, as a peanut, almond, etc.
noun
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A small block, usually of metal, with a threaded hole through the center, for screwing onto a bolt, screw, etc.
noun
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(informal) The initial cost of an undertaking, or the amount of money it is necessary to take in before a profit is realized on it.
noun
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A ridge of ebony or other hard material at the top of the fingerboard of a stringed instrument, over which the strings pass.
noun
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The small knob at the end of a violin bow, for tightening or loosening the hairs.
noun
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A foolish, crazy, or eccentric person.
noun
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A devotee; fan.
noun
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The head.
noun
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To hunt for or gather nuts.
verb
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A dry, indehiscent simple fruit consisting of one seed surrounded by a hard and thick pericarp (fruit wall). The seed does not adhere to the pericarp but is connected to it by the funiculus. A nut is similar to an achene but larger. Acorns, beechnuts, chestnuts, and hazelnuts are true nuts. Informally, other edible seeds or dry fruits enclosed in a hard or leathery shell are also called nuts, though they are not true nuts. For instance, an almond kernel is actually the seed of a drupe. Its familiar whitish shell is an endocarp found within the greenish fruit of the almond tree. Peanuts are actually individual seeds from a seed pod called a legume.
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A hard-shelled seed.

There are many sort of nuts - peanuts, cashews, pistachios, Brazil nuts and more.

noun
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A fastener: a piece of metal, usually square or hexagonal in shape, with a hole through it having machined internal threads, intended to be screwed onto a bolt or other threaded shaft.
noun
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(slang) A crazy person.

He was driving his car like a nut.

noun
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(slang) The head.
noun
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(US, slang) Financial term for monthly expense to keep a venture running.
noun
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(US, slang) The amount of money necessary to set up some venture; set-up costs.
noun
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(US, slang) A stash of money owned by an extremely rich investor, sufficient to sustain a high level of consumption if all other money is lost.
noun
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(music, lutherie) On string instruments such as guitars and violins, the small piece at the peghead end of the fingerboard that holds the strings at the proper spacing and, in most cases, the proper height.
noun
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(historical, UK slang) An extravagantly fashionable young man of the 1910s and 1920s.
noun
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(vulgar, slang, rarely used in the singular) A testicle.

I kicked him in the nuts.

noun
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A fashion nut.

A gun nut.

A sailing nut.

noun
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(poker, only in attributive use) Relating to the nuts, the best possible hand on a given board.
noun
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The tumbler of a gunlock.

noun
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(nautical) A projection on each side of the shank of an anchor, to secure the stock in place.
noun
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(UK, slang) To hit deliberately with the head; to headbutt.
verb
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Nut is a slang term for a crazy or eccentric person or a fan of someone or something.

An example of a nut is a person who yells at the top of their lungs for no reason in public places.

An example of a nut is a nut about antiques, one who loves antiques.

noun
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(climbing) A shaped piece of metal, threaded by a wire loop, which is jammed in a crack in the rockface and used to protect a climb. (Originally, machine nuts [sense #2] were used for this purpose.)
noun
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hard nut to crack
  • a person, problem, or thing difficult to understand or deal with
idiom
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off one's nut
  • foolish, silly, or crazy
idiom
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Other Word Forms

Noun

Singular:
nut
Plural:
nuts

Idioms and Phrasal Verbs

Origin of nut

  • Middle English nute from Old English hnutu

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English nute, note, from Old English hnutu, from Proto-Germanic *hnutuz (“nut") (cf. West Frisian nút, Dutch noot, German Nuss, Danish nød, Swedish nöt), from Proto-Indo-European *knu-, *kneu- (cf. Irish cnó, Latin nux (“walnut"), Albanian nyç (“a gnarl")).

    From Wiktionary