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thorn

[ thawrn ]
/ θɔrn /
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noun
a sharp excrescence on a plant, especially a sharp-pointed aborted branch; spine; prickle.
any of various thorny shrubs or trees, especially the hawthorns belonging to the genus Crataegus, of the rose family.
the wood of any of these trees.
a runic character (þ), borrowed into the Latin alphabet and representing the initial th sounds in thin and they in Old English, or thin in modern Icelandic.
something that wounds, annoys, or causes discomfort.
verb (used with object)
to prick with a thorn; vex.
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Idioms about thorn

    thorn in one's side / flesh, a source of continual irritation or suffering: That child is a thorn in the teacher's side.

Origin of thorn

before 900; Middle English (noun), Old English; cognate with Dutch doorn,German Dorn,Old Norse thorn,Gothic thaurnus

OTHER WORDS FROM thorn

thornless, adjectivethornlike, adjectiveun·thorn, verb (used with object)

Other definitions for thorn (2 of 2)

Thorn
[ tawrn ]
/ tɔrn /

noun
German name of Toruń.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use thorn in a sentence

British Dictionary definitions for thorn (1 of 2)

thorn
/ (θɔːn) /

noun

Derived forms of thorn

thornless, adjective

Word Origin for thorn

Old English; related to Old High German dorn, Old Norse thorn

British Dictionary definitions for thorn (2 of 2)

Thorn
/ (toːrn) /

noun
the German name for Toruń
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for thorn

thorn
[ thôrn ]

A short, hard, pointed part of a stem or branch of a woody plant. Compare spine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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