[syn: aurochs, urus, Bos primigenius]
The Collaborative International Dictionary of English v.0.48:
Aurochs \Au"rochs\ ([add]"r[o^]ks), n. [G. auerochs, OHG.
[=u]rohso; [=u]r (cf. AS. [=u]r) + ohso ox, G. ochs. Cf.
Owre, Ox.] (Zool.)
The European bison (Bison bonasus, or Bison Europ[ae]us),
once widely distributed, but now nearly extinct, except where
protected in the Lithuanian forests, and perhaps in the
Caucasus. It is distinct from the Urus of C[ae]sar, with
which it has often been confused.
WordNet (r) 3.0 (2006):
n 1: European bison having a smaller and higher head than the
North American bison [syn: wisent, aurochs, Bison
2: large recently extinct long-horned European wild ox;
considered one of the ancestors of domestic cattle [syn:
aurochs, urus, Bos primigenius]