/ Dictionary / Index S Senegambia: Meaning and Definition of Find definitions for: Sen•e•gam•bi•a Pronunciation: (sen"i-gam'bē-u), [key] — n. a region in W Africa between the Senegal and Gambia rivers, now mostly in Senegal. a confederation of Senegal and the Gambia, formed in 1982. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Senegalese senescent Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language