A sharp, pointed protuberance on an animal; spine.
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A short, hard, pointed part of a stem or branch of a woody plant.
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One that causes sharp pain, irritation, or discomfort.
He is a thorn in my side.
noun
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The runic letter þ, used in Old English, Middle English, and Old Norse manuscripts to represent both the voiceless sound (th) of Modern English thin and the voiced sound (th) of Modern English this, and in modern Icelandic orthography to represent the voiceless sound (th).
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A modified branch in the form of a sharp woody structure.
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Any of various other sharp protuberances, such as a spine.
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Any of various shrubs, trees, or woody plants bearing such sharp structures.
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Anything that keeps troubling, vexing, or irritating one, like a constantly pricking thorn.
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A rune in the Old English and Old Norse alphabets (Þ, þ), used to represent the voiced or voiceless apicodental fricative.
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A very short, hard, leafless branch or stem with a sharp point.
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Any small tree or shrub bearing thorns, as a hawthorn.
From
American Heritage Dictionary of the English Language, 5th Edition
Thorn Sentence Examples
He'd been a thorn in her side ever since.
Large areas of the plateau are covered with grass and occasional thorn trees.
The remainder of the day, so far as family life is concerned, is spent in the serdab, a cellar sunk somewhat below the level of the courtyard, damp from frequent wettings, with its half windows covered with hurdles thatched with camel thorn and kept dripping with water.
The wedding was celebrated at Torgau on the 14th of October 1711, in the house of the queen of Poland, and three weeks later the bridegroom was hurried away by his father to Thorn to superintend the provisioning of the Russian troops in Poland.
There was even a thorn upon the tip of his nose and he looked so funny that Dorothy laughed when she saw him.