Barnacle Definition

bärnə-kəl
barnacles
noun
barnacles
Any of various marine crustaceans of the subclass Cirripedia that in the adult stage form a hard shell which remains attached to submerged surfaces such as rocks and ships' hulls, and that have feathery appendages used for filter feeding.
American Heritage
Webster's New World
Any member of various orders of saltwater cirriped crustaceans that cement themselves to rocks, wharves, ship bottoms, etc. and to other animals, as whales, after a free-swimming larval stage.
Webster's New World
A person or thing hard to get rid of.
Webster's New World

A marine crustacean of the subclass Cirripedia that attaches itself to submerged surfaces such as tidal rocks or the bottoms of ships.

Wiktionary
verb
To connect with or attach.
Wiktionary
To press close against something.
Wiktionary

Other Word Forms of Barnacle

Noun

Singular:
barnacle
Plural:
barnacles

Origin of Barnacle

  • From Middle English barnakille, from earlier bernake, bernekke, from Old French bernaque (“barnacle”), from Gaulish *barenica (“limpet”) (compare Welsh brennig, Irish báirneac), from *barenos (“rock”) (compare Old Irish barenn (“boulder”)); for sense development, compare Ancient Greek λέπας (lépas, “rock”) which gave λεπάς (lepás, “limpet”).

    From Wiktionary

  • Middle English barnacle goose from Old French bernacle from Medieval Latin bernacula diminutive of bernaca of unknown origin

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

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