/ Dictionary / Index I inspan: Meaning and Definition of Find definitions for: in•span Pronunciation: (in-span'), [key] — -spanned, -span•ning. to yoke or harness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inspan (Thesaurus) insp. inspect 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