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gladiator
Main Entry: glad·i·a·tor
Pronunciation: \ˈgla-dē-ˌā-tər\
Function: noun
Etymology: Latin, from gladius sword, of Celtic origin; akin to Welsh cleddyf sword
Date: 15th century
1: a person engaged in a fight to the death as public entertainment for ancient Romans
2: a person engaging in a public fight or controversy
3: a trained fighter; especially : a professional boxer
— glad·i·a·to·ri·al