An ancient galley with two banks of oars is called a bireme.
Bireme
slave ship
A bireme is an ancient galley with two banks of oars, one above the other.
Name of Greek ship with three banks of oars is - TRIREME
A Greek word for a Galley, a vessel developed as a warship, with three rows of oars. The Latin word is Triremis, as in Tri for three, and Remus for Oars
ancient type of ship driven by oars
ancient type of ship driven by oars
Bireme
A galley ship is powered by oars while a galleon ship is powered by sail/masts
galley
Galley slaves were literally chained to the oars and remained there until they died or finished their sentence if a criminal.