tonsil

[ ton-suh l ]
/ ˈtɒn səl /
|

noun Anatomy.

a prominent oval mass of lymphoid tissue on each side of the throat.

Origin of tonsil

First recorded in 1595–1605, tonsil is from the Latin word tōnsillae (plural) the tonsils

Related forms

ton·sil·lar, ton·sil·ar, ton·sil·lar·y [ton-suh-ler-ee] /ˈtɒn səˌlɛr i/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for tonsil

tonsil

/ (ˈtɒnsəl) /

noun

Also called: palatine tonsil either of two small masses of lymphatic tissue situated one on each side of the back of the mouthRelated adjective: amygdaline
anatomy any small rounded mass of tissue, esp lymphatic tissue

Derived Forms

tonsillar or tonsillary, adjective

Word Origin for tonsil

C17: from Latin tōnsillae (pl) tonsils, of uncertain origin
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

Medicine definitions for tonsil

tonsil

[ tŏnsəl ]

n.

A collection of lymphoid tissue.
A small oral mass of lymphoid tissue, especially either of two such masses embedded in the lateral walls of the opening between the mouth and the pharynx, of uncertain function, but believed to help protect the body from respiratory infections.faucial tonsil palatine tonsil

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.