ray in Chinese

Any of the superorder Batoidea of marine fish with flat bodies, large wing-like fins, and whip-like tails.

(botany) A radiating part of a flower or plant; the marginal florets of a compound flower, such as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius.

(mathematics) A line extending indefinitely in one direction from a point.