/ag"euh see/ ; for 2 also Fr. /ann gann see"/ , n.
1. Alexander , 1835-1910, U.S. oceanographer and marine zoologist, born in Switzerland.
2. his father, (Jean) Louis (Rodolphe) /zhahonn lwee rddaw dawlf"/ , 1807-73, U.S. zoologist and geologist, born in Switzerland.
3. Lake , a lake existing in the prehistoric Pleistocene Epoch in central N America. 700 mi. (1127 km) long.