pivotedarm
nounUK /ˈpɪvətɪd ɑːm/
US /ˈpɪvətɪd ɑːrm/
An arm that can turn around in a circle from one fixed point.
The lamp has a pivoted arm so you can move the light over your book.
OTHER MEANINGS
2. A mechanical arm attached at one end so it can swing freely.
The robot's pivoted arm reached across the table.
3. A support arm on a tool or machine that rotates to different angles.
He adjusted the pivoted arm of the drill press.
4. A part of a device that turns on a central pin.
The pivoted arm of the compass swung smoothly.