a column of light (as from a beacon)

a branch of an umbel or an umbelliform inflorescence

(mathematics) a straight line extending from a point

a group of nearly parallel lines of electromagnetic radiation

the syllable naming the second (supertonic) note of any major scale in solmization

any of the stiff bony spines in the fin of a fish

cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins