multi-jointed arm
nounUK /ˌmʌltiˈdʒɔɪntɪd ɑːm/
US /ˌmʌltiˈdʒɔɪntɪd ɑːrm/
An arm that can bend in many places.
The robot used its multi-jointed arm to pick up the toy.
OTHER MEANINGS
2. A mechanical arm with several pivoting sections used in industry.
The factory's multi-jointed arm welded the car parts together.
3. A prosthetic limb designed with multiple bending points.
Her new multi-jointed arm lets her grip a cup more easily.
4. A robotic manipulator with many degrees of freedom.
Engineers programmed the multi-jointed arm to stack boxes.