A stand with three legs is a tripod.
tripod
That would be a tripod, which does indeed have three legs -- and is a stand.
Tristand or a old man with a walking stick
A stand with three legs called atripod
a tripod
A tripod
there are three legs on a tripod (tri -> three, pod -> stand)
tripod
A tripod.
No giraffes do not have three legs. Giraffes have only four legs. If they did have three legs then it would probably be hard for them to walk. Let alone stand.
Broken
A tripod stand has three legs and is more stable compared to a four-legged stand.