Definition of adenoid
: either of two abnormally enlarged masses of lymphoid tissue at the back of the pharynx that usually obstruct the nasal and ear passages; also : such a mass when not abnormally enlarged —usually used in plural
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Origin and Etymology of adenoid
Greek adenoeidēs glandular, from adēn
adenoid
Definition of adenoid
1 : of or relating to the adenoids
2 : relating to, affected with, or associated with abnormally enlarged adenoids a severe adenoid condition adenoid facies
First Known Use of adenoid
1864
Medical Dictionary
Medical Definition of adenoid
1: of, like, or relating to glands or glandular tissue; especially : like or belonging to lymphoid tissue
2: of or relating to the adenoids in the adenoid region of the pharynx
3a: of, relating to, or affected with abnormally enlarged adenoids a severe adenoid condition an adenoid patientb: characteristic of one affected with abnormally enlarged adenoids adenoid facies
adenoid
Medical Definition of adenoid
1: an abnormally enlarged mass of lymphoid tissue at the back of the pharynx characteristically obstructing the nasal and ear passages and inducing mouth breathing, nasality, postnasal discharge, and dullness of facial expression—usually used in plural
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