English dictionary
protohippus
/,pr/oU/t/oU/'h/I/p/@/s/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
Pliocene horse approaching donkeys in size
Source: WordNet 3.0
-
A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small.
Source: webster1913