Find the word definition

The Collaborative International Dictionary
Becuna

Becuna \Be*cu"na\, n. [Sp.] (Zo["o]l.) A fish of the Mediterranean ( Sphyr[ae]na spet). See Barracuda.

Wiktionary
becuna

n. (taxlink Sphyraena sphyraena species noshow=1), a Mediterranean fish.