adenoid(n = noun.body) luschka's tonsil, pharyngeal tonsil, third tonsil, tonsilla adenoidea, tonsilla pharyngealis - 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"
is a kind of lymphatic tissue, lymphoid tissue
is a part of pharynx, throat
Derived forms adjective adenoid₁, adjective adenoidal₁

   adenoid(a = adj.pert) - relating to or resembling lymphatic glands or lymphoid tissue;
Derived form noun adenoid₁

   A swelling produced by overgrowth of the adenoid tissue in the roof of the pharynx; -- usually in pl. [Webster 1913 Suppl.]

   Glandlike; glandular. [1913 Webster]