Arm

手臂

shǒubì

(upper appendage from shoulder to wrist)

武器

wǔqì

(weapon)

胳膊

gēbo

(upper appendage from shoulder to wrist)

胳臂

gēbei

(upper appendage from shoulder to wrist)

臂

(part of a chromosome)

臂膀

bìbǎng

(upper appendage from shoulder to wrist)

武裝 /武装

wǔzhuāng

(to supply with armour or weapons)