galley

Warship with a sail and oars that was used in ancient times; it disappeared in the 18th century.
galley 						Long piece of wood that is broad and flat at one end; it is mounted on the boat and pulled by one or more people to propel the boat.				  							Timber jutting out in front of the prow usually at water level; it was used to punch holes in the hulls of enemy ships.

oar

Long piece of wood that is broad and flat at one end; it is mounted on the boat and pulled by one or more people to propel the boat.

ram

Timber jutting out in front of the prow usually at water level; it was used to punch holes in the hulls of enemy ships.