Quick definitions from WordNet (pharyngeal tonsil)
▸ noun: a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx) ("Hypertrophy of the pharyngeal tonsils is called adenoids")
▸ noun: a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx) ("Hypertrophy of the pharyngeal tonsils is called adenoids")