chalicothere
Concise Oxford English Dictionary © 2008 Oxford University Press:
chalicothere /ˈkalɪkəˌθɪə/
▶noun a horse-like fossil mammal of the late Tertiary period, with stout claws instead of hoofs.
– origin early 20th cent.: from mod. L. Chalicotherium (genus name), from Gk khalix, khalik- ‘gravel’ + thērion ‘wild animal’.
'chalicothere' also found in these Oxford entries:

