ˌkaləˌkōthəˈrīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Chalicotherium, type genus (from Greek chalik-, chalix gravel + New Latin -therium ) + -idae
: a family, coextensive with Chalicotherioidea, of Tertiary perissodactyls of worldwide distribution having cleft clawlike toes