Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
protohippus
CIDE DICTIONARY
protohippus, n. [NL., from Gr. first + horse.].
A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small. [1913 Webster]
For further exploring for "protohippus" in Webster Dictionary Online