http://www.biblestudytools.com/dictionary/beeves/

"(an old English plural of the word beef), a name applicable to all ruminating animals except camels, and especially to the Bovidce, or horned cattle ( Leviticus 22:19 Leviticus 22:21 ; Numbers 31:28 Numbers 31:30 Numbers 31:33 Numbers 31:38 Numbers 31:44 ). "