Definition of adenoid
(Entry 1 of 2)
: 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
adenoid
adjectiveDefinition of adenoid (Entry 2 of 2)
1 : of or relating to the adenoids
2 : relating to, affected with, or associated with abnormally enlarged adenoids
a severe adenoid condition adenoid facies
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Time Traveler for adenoid
The first known use of adenoid was in 1864
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