Medical Definition of pharyngeal tonsil
: a mass of lymphoid tissue at the back of the pharynx between the eustachian tubes that is usually best developed in young children, is commonly atrophied in the adult, and is markedly subject to hypertrophy and adenoid formation especially in children—called also nasopharyngeal tonsil
Seen and Heard
What made you want to look up pharyngeal tonsil? Please tell us where you read or heard it (including the quote, if possible).