1. leaf of the iris
2. variant of 药 yào

1. medicine
2. drug
3. substance used for a specific purpose (e.g. poisoning, explosion, fermenting)
4. to poison

classifiers: 種, 服, 味

1. square
2. power or involution (math.)
3. upright
4. honest
5. fair and square
6. direction
7. side
8. party (to a contract, dispute etc)
9. place
10. method
11. prescription (medicine)
12. just when
13. only or just
14. classifier for square things
15. abbr. for square or cubic meter