/ Dictionary / Index O overlie: Meaning and Definition of Find definitions for: o•ver•lie Pronunciation: (ō"vur-lī'), [key] — -lay, -lain, -ly•ing. to lie over or upon, as a covering or stratum. to smother (an infant) by lying upon it, as in sleep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overlie (Thesaurus) overlearn overline Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language