trireme![click to hear](/images/speaker.jpg)
Warship used by the Romans with a ram, a sail and three vertical rows of oars.
steering oar ![click to hear](/images/speaker.jpg)
Oar at the back of the ship acting as rudder.
oar ![click to hear](/images/speaker.jpg)
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 ![click to hear](/images/speaker.jpg)
Timber jutting out in front of the prow usually at water level; it was used to punch holes in the hulls of enemy ships.