Meaning of St. Marys

St. Mar•ys

Pronunciation: (mâr'ēz), [key]
  1. a river in the north-central U.S. and S Canada, forming the boundary between NE Michigan and Ontario, flowing SE from Lake Superior into Lake Huron. 63 mi. (101 km) long. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.