Plane Definition

plān
planed, planer, planes, planing, planest
noun
planes
A surface that wholly contains every straight line joining any two points lying in it.
Webster's New World
A flat, level, or even surface.
Webster's New World
A level of development, achievement, existence, etc.
Webster's New World
An airplane or hydroplane.
American Heritage
Any of a genus (Platanus) of trees of the plane-tree family having maplelike leaves, spherical dry fruits, and bark that sheds in large patches; sycamore.
Webster's New World
Synonyms:
adjective
planer, planest
Lying on a surface that is a plane.
Webster's New World
Flat; level; even.
Webster's New World
Of such surfaces.
Webster's New World
Antonyms:
verb
planed, planing
To make smooth or level with or as with a plane.
Webster's New World
To remove with or as with a plane.
Webster's New World
To work with a plane.
Webster's New World
To do the work of a plane.
Webster's New World

To rise partly out of the water while in motion at high speed, as a hydroplane does.

Webster's New World

Other Word Forms of Plane

Noun

Singular:
plane
Plural:
planes

Adjective

Base Form:
plane
Comparative:
planer
Superlative:
planest

Origin of Plane

  • From Latin planum (“flat surface"), a noun use of the neuter of planus (“plain"). The word was introduced in the seventeenth century to distinguish the geometrical senses from the other senses of plain.

    From Wiktionary

  • Middle English from Old French from Late Latin plāna from plānāre to plane from plānus flat pelə-2 in Indo-European roots

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

  • Middle English from Old French from Latin platanus from Greek platanos perhaps from platus broad plat- in Indo-European roots

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

  • Latin plānum flat surface from neuter of plānus flat pelə-2 in Indo-European roots N., sense 4, short for aeroplane

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

  • From Old French plane, from Latin platanus, from Ancient Greek πλάτανος (platanos), from πλατύς (platus, “wide, broad").

    From Wiktionary

  • Middle English planen to glide, soar from Old French planer from plain flat, level plain

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

  • From Middle English, from Anglo-Norman, from Old French, from Late Latin plana (“planing tool"), from plano (“to level")

    From Wiktionary

  • Abbreviated from aeroplane.

    From Wiktionary

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