/ Dictionary / Index A adelgid: Meaning and Definition of Find definitions for: a•del•gid Pronunciation: (u-del'jid), [key] — n. any of various homopterous insects of the family Adelgidae, as Adelges abietisand Pineus pinifoliaethat feed and form galls on conifers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adelgid (Thesaurus) Adele Adélie Coast Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language