noun, often attributive \ˈthrn\

Definition of THORN

:  a woody plant bearing sharp impeding processes (as prickles or spines); especially :  hawthorn
a :  a sharp rigid process on a plant; specifically :  a short, indurated, sharp-pointed, and leafless modified branch
b :  any of various sharp spinose structures on an animal
:  the runic letter þ used in Old English and Middle English to represent either of the fricatives \th\ or \th\ and in Icelandic to represent \th\
:  something that causes distress or irritation —often used in the phrase thorn in one's side
thorned \ˈthrnd\ adjective
thorn·less \ˈthrn-ləs\ adjective
thorn·like \-ˌlīk\ adjective

Examples of THORN

  1. <your constant questions are a thorn in my side>

Origin of THORN

Middle English, from Old English; akin to Old High German dorn thorn, Sanskrit tṛṇa grass, blade of grass
First Known Use: before 12th century

Rhymes with THORN

THORN Defined for Kids


noun \ˈthrn\

Definition of THORN for Kids

:  a hard sharp leafless point on the stem or branch of a plant (as a rose bush)
:  a bush or tree that has thorns
July 28, 2015
pachyderm Hear it
an elephant
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