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
a branch of an umbel or an umbelliform inflorescence
(mathematics) a straight line extending from a point
emit as rays; "That tower rays a laser beam for miles across the sky"
an improbable and unexpected victory; "the biggest upset since David beat Goliath"
turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over"
cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"; "he tumped over his beer"
a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
soften, usually by steeping in liquid, and cause to disintegrate as a result; "macerate peaches"; "the gizzards macerates the food in the digestive system"
become soft or separate and disintegrate as a result of excessive soaking; "the tissue macerated in the water"