Definitions:
each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening

any of a set of straight lines passing through one point

a thing that is arranged radially.

spread from or as if from a central point

a broad flat marine or freshwater fish with a cartilaginous skeleton, winglike pectoral fins, and a long slender tail. many rays have venomous spines or electric organs.

(in tonic sol-fa) the second note of a major scale.