cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
水平に平らな体と拡張した羽のような胸びれと下面の鰓を持つ軟骨魚類
ray
emit as rays; "That tower rays a laser beam for miles across the sky"
extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions"