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beef·a·lo | \ ˈbē-fə-ˌlō 
\
\ plural beefalo or beefaloes also beefalos
Definition of beefalo
: any of a breed of beef cattle developed in the U.S. that is genetically ³/₈ North American bison and ⁵/₈ domestic bovine
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The first known use of beefalo was in 1973
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