Pronunciation: (ad"n-oid'l), [key]
1. of or pertaining to the adenoids; adenoid.
2. having the adenoids enlarged, esp. to a degree that interferes with normal breathing.
3. being characteristically pinched and nasal in tone quality: a high-pitched, adenoidal voice.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.