/ Dictionary / Index S sexual reproduction: Meaning and Definition of Find definitions for: sex'ual reproduc'tion Pronunciation: [key] — Biol. Biol. reproduction involving the union of gametes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sexual relations sexual selection Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language