/ Dictionary / Index P postglacial: Meaning and Definition of Find definitions for: post•gla•cial Pronunciation: (pōst-glā'shul), [key] — adj. Geol. after a given glacial epoch, esp. the Pleistocene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: postglacial (Thesaurus) post-free postgrad Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language