Definitionen
1.NounA person (professional or slave) who entertained the public by engaging in mortal combat with another, or with a wild animal.
2.NounA disputant in a public controversy or debate.
3.NounA professional boxer.
4.NounSynonym of heelwalker (“Any of the order Mantophasmatodea of carnivorous, wingless insects that superficially resemble a cross between praying mantises and phasmids.”).
5.VerbTo fight as entertainment for others.
6.VerbTo compete in a public contest.
7.VerbTo debate or argue.
8.VerbTo act aggressively toward others.