Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

tonsil

play
noun ton·sil \ˈtän(t)-səl\

Simple Definition of tonsil

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

Source: Merriam-Webster's Learner's Dictionary

Full 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 (as the adenoids) that are similar to tonsils

tonsillar

play \ˈtän(t)-s(ə-)lər\ adjective

Origin and Etymology of tonsil

Latin tonsillae, plural, tonsils


First Known Use: 1601



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




Learn More about tonsil


Seen and Heard

What made you want to look up tonsil? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

prophetic or oracular

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

melancholy frenetic lazy philistine
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ