/ Dictionary / Index S Sangamon: Meaning and Definition of Find definitions for: San•ga•mon Pronunciation: (sang'gu-mun), [key] — n. Geol. the third interglacial stage of the Pleistocene Epoch in North America, after the Illinoian glacial stage and before the Wisconsin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sangallo sangaree Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language