/ Dictionary / Index O overlain: Meaning and Definition of Find definitions for: o•ver•lain Pronunciation: (ō"vur-lān'), [key] — v. pp. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overlain (Thesaurus) overlaid overland Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language