WordNet (r) 3.0 (2006):
Carson n 1: United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) [syn: Carson, Rachel Carson, Rachel Louise Carson] 2: United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the American Civil War (1809-1868) [syn: Carson, Kit Carson, Christopher Carson]