Here are the possible solutions for describing a bireme clue
Answer
Clue
Relevancy
fab
Clue
Word before Four, when describing the Beatles, or Five, when describing Van Halen, or Fifteen, when describing a band I just made up with 15 awesome harpists
Definition
excellent
oared
Clue
Describing a bireme
Definition
OAR, to propel a boat with long, broad-bladed poles
saloon
Clue
Describing a bar — describing a car
galley
Clue
Bireme or trireme
Definition
any of various kinds of ship propelled by oars or sails used in ancient or medieval times as a warship or as a trader