-handersCOMB in N-COUNT: oft N n-hander combines with words like `two' or `three' to form nouns which indicate how many people are involved in a particular activity, especially a play or a film. [mainly BRIT]→ See also , right-hander
...a two-hander play...
Williams's play is a tense contemporary three-hander about two murderers and a bank-robber.
English dictionary. 2008.