sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs
source: WordNet 3.0
large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
source: WordNet 3.0
A metallic runner with a frame shaped to fit the sole of a shoe, -- made to be fastened under the foot, and used for moving rapidly on ice.
source: Webster 1913
Any one of numerous species of large, flat elasmobranch fishes of the genus Raia, having a long, slender tail, terminated by a small caudal fin. The pectoral fins, which are large and broad and united to the sides of the body and head, give a somewhat rhombic form to these fishes. The skin is more or less spinose.
