The recreation of sea battles in a river basin(noun)
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Use "naumachia" in a sentence
"The Aqua Alsietina transported water into the Trastevere area of Rome (to Augustus's 'naumachia' - a man-made lake where the Romans could re-enact sea battles)."
"It was written about B.C. 2, from the allusion, i. 171, to the 'naumachia' in that year,"
"Their adjacent solo installations are well worth seeing, if only because they are profoundly at odds with each other: Mr. Bozhkov salvages, while Mr. Riley torches the place in a "naumachia" (Roman naval battle)."