on camera Definition

camera¹
noun cameras

1. An optical device that focuses light from an object through a lens on to light-sensitive film, in order to record the image as a photograph.
2. A device in a television broadcasting system that converts visual images into electrical signals for transmission.

Idiom: on camera

In front of the camera; being filmed.

Etymology: 19c in sense 1; 18c in obsolete sense ‘vaulted chamber': Latin, meaning ‘vaulted chamber'.