Definition of adenoids:
(n) :
(medicine) an abnormally enlarged mass of lymphatic tissue at the back of the pharynx, often obstructing the nasal and ear passages and hindering speaking and breathing in young children.
(adj) :
(medicine, relational) Relating to, affected with, or associated with abnormally enlarged adenoids.
(adj) :
(medicine, relational) Of or pertaining to the adenoids.
(adj) :
(medicine, relational) Of or relating to lymphatic glands or lymphoid tissue.
(n) :
(anatomy, usually in the plural) Such a mass when not abnormally enlarged, covered by ciliated epithelium and located in the roof and posterior wall of the nasopharynx at the back of the throat behind the uvula.