/bis nah"geuh/ , n.
any of several thorny cactuses of the genera Echinocactus, Ferocactus, and Astrophytum of the southwestern U.S.
Also, biznaga .
[ 1835-45, Amer.; biznaga, (prob. by assoc. with biznaga parsnip) r. earlier vitznauac huitznahuac, equiv. to huitz ( tli ) thorn + -nahua- vicinity + -c ( o ) locative suffix ]