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Related to cattalo: beefalo
cat·ta·loalso cat·a·lo (kăt′l-ō′)
n. pl. cat·ta·loes or cat·ta·los also cat·a·loes or cat·a·los
A hybrid that results from a cross between the North American bison (buffalo) and the beef cattle and typically has the appearance of a bison.
n, pl -loes or -los
(Breeds) a hardy breed of cattle developed by crossing the American bison with domestic cattle
[C20: from catt(le + buff)alo]