Source : Webster's Revised Unabridged Dictionary (1913)

Adenoid \Ad"e*noid\, Adenoidal \Ad`e*noid"al\a.
   Glandlike; glandular.

Source : WordNet®

adenoidal
     adj 1: of or pertaining to the adenoids
     2: sounding as if the nose were pinched; "a whining nasal
        voice" [syn: {pinched}, {nasal}]