Noun bison has 1 sense
  1. bison - any of several large shaggy-maned humped bovids having large heads and short horns
    --1 is a kind of
    bovid
    --1 is a member of genus Bison
    --1 has particulars:
     American bison, American buffalo, buffalo, Bison bison; wisent, aurochs, Bison bonasus
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