n. & v.
n. (pl. same or -oes) 1 either of two species of ox, Synceros caffer, native to Africa, or Bubalus arnee, native to Asia with heavy backswept horns. 2 a n. American bison, Bison bison.
v.tr. (-oes, -oed) US sl. overawe, outwit. buffalo grass 1 a grass, Buchloe dactyloides, of the n. American plains. 2 a grass, Stenotaphrum secundatum, of Australia and New Zealand.
[ prob. f. Port. bufalo f. LL bufalus f. L bubalus f. Gk boubalos antelope, wild ox ]