noun ad·e·noid \ˈa-də-ˌnid, ˈad-ˌnid\

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

Origin of ADENOID

Greek adenoeidēs glandular, from adēn
First Known Use: circa 1890



Definition of ADENOID

:  of or relating to the adenoids
:  relating to, affected with, or associated with abnormally enlarged adenoids <a severe adenoid condition> <adenoid facies>

First Known Use of ADENOID

circa 1947


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