Green’s Dictionary of Slang

(Ling. Fr./Polari) the voice; a singer.

1996		H. Young Lex. of Polari 🌐 voche voice.
2019		P. Baker Fabulosa 299/1: voche 1. a voice, 2. a singer.
2023		R. Milward Man-Eating Typewriter 55: I nellied other chavvies’ voches [...] but i was forbidden to vagary thataways and join them.