1. [ adjective ] relating to or resembling lymphatic glands or lymphoid tissue
2. [ noun ] (anatomy,zoology) a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)
Synonyms: luschka's_tonsil third_tonsil tonsilla_adenoidea tonsilla_pharyngealis pharyngeal_tonsil

"hypertrophy of the pharyngeal tonsils is called adenoids" "enlarged adenoids may restrict the breathing of children"

Related terms: lymphatic_tissue throat
Similar spelling:   adenoidal