A collection of more or less closely aggregated lymphoid nodules on the posterior wall and roof of the nasopharynx, the hypertrophy of which constitutes the morbid condition called adenoids. ... Synonym: tonsilla pharyngealis, tonsilla adenoidea, Luschka's gland, Luschka's tonsil, third tonsil. ... (05 Mar 2000) ... 
Type: Term Synonyms: adenoid
[n] - a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)
adenoid 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`; `enlarged adenoids may restrict the breathing of children`