tripod
Three legged stands are often called stools. In photography a three legged stand is called a tripod.
A tripod
tripod
NounA three-legged stand for supporting a camera or other apparatus.A stool, table, or cauldron resting on three legs.
Photographers normally use a tripod (three-legged stand) to hold a camera steady.
A tripod is a three legged stand, usually made to be broken down simply or carried to a different location. It is used as a base to position a camera, telescope or even an easel. A drawing would show a three legged stand, each leg pointing out.
A teapoy
Many trivets have 3 legs.
a fight
A stand with three legs called atripod
The kettle hung from a tripod above the fire.
Three legged buffalo