[count] :a short performance to show the talents of someone (such as an actor or a musician) who is being considered for a role in a play, a position in an orchestra, etc. - often + for

[no obj] of a performer :to try out for a role in a play or film, a position in an orchestra, etc. :to perform in an audition

usually + for

[+ obj] :to test (someone) in an audition