third tonsil

Từ điển Oxford Learners Wordfinder Dictionary

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
• Syn:
pharyngeal tonsil, adenoid, Luschka's tonsil, tonsilla pharyngealis, tonsilla adenoidea
• Derivationally related forms:
adenoid (for: adenoid), adenoidal (for: adenoid)
• Hypernyms:
lymphatic tissue, lymphoid tissue
• Part Holonyms:
throat, pharynx