ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈthirēəm noun
Usage: capitalized
Etymology: New Latin, from scelid- (from Greek -skelid-, -skelis leg) + -o- + -therium
: a genus of extinct Pleistocene four-toed So. American edentates smaller than and intermediate in characters between those of the genera Megatherium and Mylodon