a column of light (as from a beacon)
(mathematics) a straight line extending from a point
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
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
