¹ Source: wiktionary.com
Definition of Adenoids
1. adenoid [n] - See also: adenoid
Medical Definition of Adenoids
1. 1. A normal collection of unencapsulated lymphoid tissue in the nasopharynx. Also called pharyngeal tonsils. 2. Common terminology for the large (normal) pharyngeal tonsils of children. Origin: G. Aden, gland, + -eidos, resemblance (05 Mar 2000)