- the third interglacial stage of the Pleistocene Epoch in North America, after the Illinoian glacial stage and before the Wisconsin.
Origin of Sangamon
First recorded in 1930–35; after Sangamon County, Ill.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sangamon
Many are the stories of the remarkable Sangamon campaign in 1836.The Story of Young Abraham Lincoln
They had read a little book called The Country of the Sangamon.
Raoul let his gaze travel over the other Sangamon County men.
He'd wasted enough words on this walking skeleton from Sangamon County.
The County of Sangamon, where he lived, was entitled to four representatives.A Treasury of Heroes and Heroines