/ Dictionary / Index O Old Spanish: Meaning and Definition of Find definitions for: Old' Span'ish Pronunciation: [key] the Spanish language of the 12th to the 16th centuries. Abbr.: OSp Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Old South Old Spanish Trail Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language