[n] cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
[n] any of the stiff bony rods in the fin of a fish
[n] the syllable naming the second (supertonic) note of any major scale in solmization
[n] a column of light (as from a beacon)
[n] a group of nearly parallel lines of electromagnetic radiation
[n] a branch of an umbel or an umbelliform inflorescence
[n] (mathematics) a straight line extending from a point
[v] expose to radiation; "irradiate food"
[v] 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"
[v] emit as rays; "That tower rays a laser beam for miles across the sky"