'dawn horse' definitions:
Definition of 'dawn horse'
(from WordNet)
noun
Earliest horse; extinct primitive dog-sized four-toed Eocene animal [syn: eohippus, dawn horse]
Definition of 'dawn horse'
From: GCIDE
- eohippus \eo*hip"pus\ ([=e]`[-o]*h[i^]p"p[u^]s), n. [Gr. 'hw`s dawn + "ipposhorse.] an extinct primitive dog-sized 4-toed Eocene mammal, the earliest horse known in the line of descent of the modern horse. It is classed in the extinct genus Hydracotherium. Called also dawn horse.
- Syn: dawn horse. [WordNet 1.5 +PJC]