What does bătrăchus mean in Latin?

bătrăchus, a noun, means “a fish”.

noun

bătrăchus

bătrăchus, i, m., = βάτραχος,

I. a fish, the sea-frog, Plin. 32, 11, 53, § 145.

Bătrăchus, i, m., = Βάτραχος,

I. a Greek architect at Rome in the time of Pompey the Great, Plin. 36, 5, 4, § 42.