[in Tupi boiguaçú, f. boi, boya serpent + guaçú, goaçu big.] A native Brazilian name of the Boa Constrictor or other large boa.
1774. Goldsm., Nat. Hist. (1862), I. i. 148. The boiguacu, which is the largest of the serpent kind, is sometimes forty feet in length.
