Definition of tonsil noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtɒnsl//
; NAmE NAmE//ˈtɑːnsl//
Mouth and teeth, Internal anatomy
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either of the two small organs at the sides of the throat, near the base of the tongue I've had my tonsils out (= removed). See related entries: Mouth and teeth, Internal anatomy Word Originlate 16th cent.: from French tonsilles or Latin tonsillae (plural).
See the Oxford Advanced American Dictionary entry: tonsil