(anatomy) Of or pertaining to the adenoids. / (of a voice) Sounding as if the speaker has swollen adenoids.

In an adenoidal way.

Of or relating to lymphatic glands or lymphoid tissue. / Of or pertaining to the adenoids. / Relating to, affected with, or associated with abnormally enlarged adenoids.

(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.

plural of adenoid

(medicine) Inflammation of the adenoid in the human throat.

adenoiditis

(pathology) A cystic tumor that is hereditary and occurs on the chest and face among other regions.