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tonsil

American  
[ton-suhl] / ˈtɒn səl /

noun

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


tonsil British  
/ ˈtɒnsəl /

noun

  1. Also called: palatine tonsil.  either of two small masses of lymphatic tissue situated one on each side of the back of the mouth

  2. anatomy any small rounded mass of tissue, esp lymphatic tissue

"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

Usage

What are tonsil stones? Tonsil stones are small yellow or white lumps embedded in the tonsils. They result from bacterial or fungal build-up that forms into a nasty-smelling—but generally—harmless mass. How do you pronounce tonsil stones?[ ton-suh l stohnz ]

Other Word Forms

  • tonsilar adjective
  • tonsillar adjective
  • tonsillary adjective

Etymology

Origin of tonsil

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

Vocabulary lists containing tonsil

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Arthurs previously recovered from tonsil cancer in 2022.

From BBC • Oct. 3, 2025

In May 2022, the “Mooo!” rapper was forced to cancel her 2022 live dates after tonsil surgery.

From Los Angeles Times • Jun. 23, 2023

Mr. Kildee, who sits on the committee, was absent because he is recovering from surgery to remove a cancerous tumor in his tonsil.

From Washington Times • Apr. 19, 2023

Still, his March diagnosis of tonsil cancer was surprising.

From Seattle Times • Dec. 28, 2022

When the operation was half over, he had come out into the ante-room, grinning and waving one tonsil in a pair of forceps.

From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey