tonsil

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noun ton·sil \ˈtän(t)-səl\

Definition of tonsil

  1. 1 :  either of a pair of prominent masses of lymphoid tissue that lie one on each side of the throat between two folds of soft tissue that bound the fauces

  2. 2 :  any of various masses of lymphoid tissue (such as the adenoids) that are similar to tonsils

tonsillar

play \ˈtän(t)-s(ə-)lər\ adjective

Recent Examples of tonsil from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tonsil'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of tonsil

Latin tonsillae, plural, tonsils


First Known Use: 1601



TONSIL Defined for English Language Learners

tonsil

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noun

Definition of tonsil for English Language Learners

  • : either one of the pair of round, soft parts on the inside of your throat


TONSIL Defined for Kids

tonsil

play
noun ton·sil \ˈtän-səl\

Definition of tonsil for Students

  1. :  either of a pair of masses of spongy tissue at the back of the mouth


Medical Dictionary

tonsil

play
noun ton·sil \ˈtän(t)-səl\

Medical Definition of tonsil

  1. 1a:  either of a pair of prominent masses of lymphoid tissue that lie one on each side of the throat between the anterior and posterior pillars of the fauces and are composed of lymph follicles grouped around one or more deep crypts and except for the exposed surface which is covered only by epithelium are surrounded by diffuse lymphoid tissue in a fibrous capsule—called also palatine tonsilb:  pharyngeal tonsilc:  lingual tonsil

  2. 2:  a rounded prominence situated medially on the lower surface of each lateral hemisphere of the cerebellum



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