noun
(Ancient Rome) A person (professional or slave) who entertained the public by engaging in mortal combat with another, or with a wild animal.
(by extension) A disputant in a public controversy or debate.
A professional boxer.
Synonym of heelwalker (“Any of the order Mantophasmatodea of carnivorous, wingless insects that superficially resemble a cross between praying mantises and phasmids.”).
verb
To fight as entertainment for others.
To compete in a public contest.
To debate or argue.
To act aggressively toward others.