Biremes are ancient warships that were used by the Greeks and the Romans in naval battles. These ships featured two rows of oars on either side, making them faster and more agile than other vessels of their time. There are several synonyms for biremes, including "dioric," "tetrareme," and "quadrireme." Each of these terms refers to ships with two, three, or four rows of oars on each side, respectively. Biremes were highly effective in their day, allowing their crews to outmaneuver and overpower their opponents. While they may no longer be in use, the legacy of biremes lives on in the history of naval warfare.