Definition of tonsil
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
: any of various masses of lymphoid tissue (such as the adenoids) that are similar to tonsils
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Merriam-Webster unabridged
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Time Traveler for tonsil
The first known use of tonsil was in 1601
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