pharyngeal tonsil, adenoid, Luschka's tonsil, third tonsil, tonsilla pharyngealis, tonsilla adenoidea -- (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"; "enlarged adenoids may restrict the breathing of children")
Overview of adj adenoid
The adj adenoid has 1 sense
adenoid -- (relating to or resembling lymphatic glands or lymphoid tissue)