n. - single line or narrow beam of light from a small or distant source.

- straight line in which radiation travels to a given point.

- (in pl.) Radiation of a specified type (x-rays).

- trace or beginning of an enlightening or cheering influence (ray of hope).

- any of a set of radiating lines, parts, or things.

- marginal floret of a composite flower, e.g. A daisy. [latin *radius]

- n. Large edible marine fish with a flat body and a long slender tail. [latin raia]

- n. (also re) mus. Second note of a major scale. [latin resonare, word arbitrarily taken]