The Collaborative International Dictionary of English v.0.48:
Adenoid \Ad"e*noid\, Adenoidal \Ad`e*noid"al\a. Glandlike; glandular. [1913 Webster]WordNet (r) 3.0 (2006):
adenoidal adj 1: of or pertaining to the adenoids 2: sounding as if the nose were pinched; "a whining nasal voice" [syn: adenoidal, pinched, nasal]