Definify.com
Webster 1913 Edition
Tarpan
Tar′pan
,Noun.
 [From the native name.] 
(Zool.) 
A wild horse found in the region of the Caspian Sea. 
Definition 2025
tarpan
tarpan
See also: Tarpan and tarpán
English

An alleged tarpan, possibly a hybrid or feral, 1884
Noun
tarpan (plural tarpans)
- An extinct Northern European wild horse, Equus ferus ferus.