adenoid
noun(ad-e-noid)
a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)
Synonyms: luschka's tonsil, pharyngeal tonsil, third tonsil, tonsilla adenoidea, tonsilla pharyngealis,
Examples:
Hypertrophy of the pharyngeal tonsils is called adenoids.
Enlarged adenoids may restrict the breathing of children.