arm
nounUK /ɑːm/
US /ɑːrm/
The long part of your body between your shoulder and your hand.
She carried the basket in her arm.
OTHER MEANINGS
2. A weapon used for fighting, such as a gun.
The soldiers laid down their arms.
3. A part of a machine or tool that sticks out and moves.
The robot's arm picked up the box.
4. To give someone a weapon.
The guards were armed with sticks.
5. A branch or division of a larger group.
The company opened a new arm in the city.