1. angle
この角は何度ですか。How many degrees is this angle?
2. square; cube
一メートル角の箱に入れて送った。I put it in a box one meter on each side and sent it.
3. bishop
4. third degree (of the Japanese and Chinese pentatonic scale)
5. Chinese "horn" constellation (one of the 28 mansions)
6. jiao (monetary unit of China; one-tenth of a yuan)