naumachy

Noun

nau=ma=chy

WORDNET DICTIONARY

naumachy(n = noun.artifact) naumachia - a naval spectacle; a mock sea battle put on by the ancient Romans;

is a kind of spectacle

naumachy, n. [L. naumachia, Gr. naymachi`a; nay^s ship + ma`chh fight, battle, ma`chesqai to fight.].

A naval battle; esp., a mock sea fight put on by the ancient Romans. [1913 Webster]
A show or spectacle representing a sea fight; also, a place for such exhibitions. [1913 Webster]