a bank
In rowing, a boat propelled by oars is normally called a shell. Based on how many people are using the boat, and eight has eight rowers, a four has four rowers with one oar each and a quad has four rowers with 2 oars each. A pair has two rowers with one oar each while a double has two rowers with two oars each. A single has one rower with two oars in it.
An ancient vessel with two banks of oars was called a bireme.
An ancient ship with two banks of oars is called a "bireme".
They are called oars.
These structures are called cilia and they do have an oar like motion; power stroke and return/relaxation stroke.
An oar pin is also called a rowlock pin or a thole.
it was called a trireme
A vessel with two tiers of oars was/is a bireme.
We rushed the white river, our oars cutting quick.
Triremes - three (tri-) banks of oars.
Tagalog Translation of OARS: sagwan