any of various flat-jointed prickly pears (genus Opuntia); esp)X
one (O. tuna) common in tropical America
the edible fruit of a tuna 2. tu.na \'t(y)u:-n*\ n or tuna or tunas [Amer Sp, alter. of Sp atu`n, modif. of Ar tu-n, fr. L thunn] pl us, fr. Gk thynnos
any of numerous large vigorous scombroid fishes including forms highly esteemed for sport and food; esp
ALBACORE
any of various related but usu. smaller fishes; esp
BONITO
the flesh of a tuna esp. when canned for use as food