brachium (noun)

1. In the anime series, the giant robots are often depicted with multiple brachiums that can perform various functions.

2. Why did the crab go to the gym? To work on its brachium muscles!

3. In the science fiction novel, the alien creature had several brachiums that it used for both defense and communication.

4. The superhero's suit was equipped with advanced technology, including retractable brachiums that helped him in battle.