stand
portable frame for supporting the weight and maintaining the stability of some object (camera, gun, ...)
retort stand
laboratory equipment
tripod
portable three-legged frame, used as a platform for supporting the weight and maintaining the stability of some other object (Q683906 is photographic tripod)
face in hole board
board with hole(s) to stick one's face(s) through in order to take humorous photographs
bipod
attachment, usually to a weapon, that helps support and steady it