Noun
A gathering of theatrical performers for the purpose of being photographed.
A session in which a posed celebrity is photographed.
Source: en.wiktionary.orgEmma Willis stunned on the red carpet on Wednesday at the official photocall for the new series of The Voice - fresh from her stint on Tuesday… Source: Internet
Prince Harry and Meghan Markle at their engagement photocall on the Kensington Palace grounds. Source: Internet