Meaning

1. shoulder
2. shoulder
3. upper arm
4. upper arm
5. arm (limb, or locomotive or prehensile organ, of an invertebrate animal)
6. arm (element of a construction resembling a bent arm)
7. arm (part of a machine that can grab and move things)
8. arm; offshoot (something that sticks off from the main element, i.e. from the main road or building)
9. arm (side of a geometric figure other than the base)
10. arm (power; might; strength; support)