from the GNU version of the Collaborative International Dictionary of English
- n. A naval battle; esp., a mock sea fight put on by the ancient Romans.
- n. A show or spectacle representing a sea fight; also, a place for such exhibitions.
from The Century Dictionary and Cyclopedia
- n. A naval combat; a sea-fight.
- n. In Roman antiquity, a mock sea-fight in which the contestants were usually captives, or criminals condemned to death.
- n. A place where such combats were exhibited, as an artificial pond or lake surrounded by stands or seats for spectators. In some circuses and amphitheaters the arena could be flooded and used for shows of this nature.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a naval spectacle; a mock sea battle put on by the ancient Romans
From Middle French naumachie and its source, Latin naumachia. (Wiktionary)