Lewis Short
dicrŏtum | dicrŏta, ae (noun N.f) = δίκροτος: (sc. navigium), = (two-oared)
* A galley with two banks of oars, Cic. Att. 5, 11, 4; 16, 4fin.—Also called , , (sc. navis), Auct. B. Alex. 47, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary