kärˈka(a)rēəs noun
Usage: capitalized
Etymology: New Latin, from Greek karcharias, a shark, from karcharos sawlike, jagged; akin to Sanskrit khara harsh, rough
1. : the type and sole recent genus of Carchariidae that comprises the common sand sharks
2. in some classifications : a genus of sharks variously limited ; especially : one coextensive with the genus Carcharhinus