the GNU version of the Collaborative International Dictionary of English
n. A galley with four banks of oars or rowers.
The Century Dictionary and Cyclopedia
n. A galley with four banks of oars or rowers, mentioned as in use occasionally among the ancient Greeks and Romans.
Word Usage
"You have no cities nor no wealth: our cities are hives of humanity and our galleys, trireme and quadrireme, laden with all manner merchandise furrow the waters of the known globe."