Webster's Revised Unabridged Dictionary · 1913

Bonaci

Bonaci , noun

[Amer. Sp. bonasí, prob. from native name.]

(a)
(Zoology) A large grouper (Mycteroperca bonaci) of Florida and the West Indies, valuable as a food fish; -- called also aguaji and, in Florida, black grouper.
(b)
(Zoology) Also, any one of several other similar fishes.