- Also called: American bison, buffalo a member of the cattle tribe, Bison bison, formerly widely distributed over the prairies of W North America but now confined to reserves and parks, with a massive head, shaggy forequarters, and a humped back
- Also called: wisent, European bison a closely related and similar animal, Bison bonasus, formerly widespread in Europe
WordReference Random House Learner's Dictionary of American English © 2026
bi•son /ˈbaɪsən, -zən/USA pronunciation
n. [countable], pl. -son.
WordReference Random House Unabridged Dictionary of American English © 2026- Mammalsa North American buffalo having a large head and high, humped shoulders.
bi•son
(bī′sən, -zən),USA pronunciation n., pl. -son.
bi•son•tine
(bī′sən tīn′, -zən-),USA pronunciation adj.
- MammalsAlso called American bison, American buffalo. a North American, oxlike ruminant, Bison bison, having a large head and high, humped shoulders: formerly common in North America, its small remaining population in isolated western areas of the U.S. and Canada is now protected.
- MammalsAlso called wisent. a related animal, Bison bonasus, of Europe, less shaggy and slightly larger than the American bison: now greatly reduced in number.
- Gmc; compare Old High German wisunt, Old English wesend, Old Norse visundr
- Latin (nominative singular bisōn)
- 1350–1400; Middle English bisontes (plural)
Collins Concise English Dictionary © HarperCollins Publishers::
bison /ˈbaɪsən/ n ( pl -son)
'bison' also found in these entries (note: many are not synonyms or translations):
aurochs
- wisent
- Altamira
- ambisonics
- American bison
- American buffalo
- buffalo
- buffalo robe
- hump
- Indian bison
- ruminant