名詞 gladiator:

1. (ancient Rome) a professional combatant or a captive who entertained the public by engaging in mortal combat
2. a professional boxer
   同義詞：prizefighter

glad.i.a.tor

n.（名詞）
A person, usually a professional combatant, a captive, or a slave, trained to entertain the public by engaging in mortal combat with another person or a wild animal in the ancient Roman arena.
格斗者，角斗士：一個(gè)人，通常指一職業(yè)格斗者、俘虜或在古羅馬圓形大劇場(chǎng)里的奴隸被培訓(xùn)與另一個(gè)人或一野獸進(jìn)行殊死搏斗以供公共消遣
A person engaged in a controversy or debate, especially in public; a disputant.
爭(zhēng)論者，辯士：進(jìn)行爭(zhēng)辯或辯論的人，尤指在公共場(chǎng)合；辯論者
Sports A professional boxer.
【體育運(yùn)動(dòng)】 職業(yè)拳擊手

來(lái)源：
Middle English
中古英語(yǔ)
from Latin gladi3tor
源自 拉丁語(yǔ) gladi3tor
from gladius [sword]
源自 gladius [劍]
[of Celtic origin]
[源自凱爾特語(yǔ)]

【引伸】
glad.iato.rial