Lewis Short
dĕcēris (noun F) : δεκήρης (sc. ναῦς)
* A ten-oared ship, i. e. a ship having ten banks of oars: Liburnicas,Suet. Calig. 37 (acc. to a conject. of Turneb. Adv. 22, 30; lect. vulg. de cedris).
Charlton T. Lewis, Charles Short, A Latin Dictionary