 aurochs |
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| 1. | [ noun ] (zoology) European bison having a smaller and higher head than the North American bison | |
| Synonyms: | Bison_bonasus wisent | |
| Related terms: | bison genus_Bison | |
| 2. | [ noun ] (zoology) large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle | |
| Synonyms: | Bos_primigenius urus | |
| Related terms: | ox Bos | |
