cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins;
any of the stiff bony rods in the fin of a fish;
the syllable naming the second (supertonic) note of any major scale in solmization;
a column of light (as from a beacon);
a group of nearly parallel lines of electromagnetic radiation;
a branch of an umbel or an umbelliform inflorescence;
(mathematics) a straight line extending from a point;
expose to radiation; "irradiate food";
extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiates spines in all directions";
emit as rays; "That tower rays a laser beam for miles across the sky";
