ray -
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
elasmobranch,
selachian any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
crampfish,
electric ray,
numbfish,
torpedo any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
sawfish primitive ray with sharp teeth on each edge of a long flattened snout
guitarfish primitive tropical bottom-dwelling ray with a guitar-shaped body
stingray large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds
eagle ray powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays
manta ray,
manta,
devilfish extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
ray -
(mathematics) a straight line extending from a point
vector (genetics) a virus or other agent that is used to deliver DNA to a cell
math,
mathematics,
maths a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
ray -
any of the stiff bony spines in the fin of a fish
spine a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
ray -
a branch of an umbel or an umbelliform inflorescence
Verb
ray -
emit as rays; "That tower rays a laser beam for miles across the sky"
give off,
emit,
give out have as a by-product; "The big cities gave off so many wonderful American qualities"
