/ Dictionary / Index S synapsis: Meaning and Definition of Find definitions for: syn•ap•sis Pronunciation: (si-nap'sis), [key] — pl. -ses Also calledthe pairing of homologous chromosomes, one from each parent, during early meiosis. synapse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: synapsis (Thesaurus) synapse synapte Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language