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"
the idea of something that is perfect; something that one hopes to attain
model of excellence or perfection of a kind; one having no equal
constituting or existing only in the form of an idea or mental image or conception; "a poem or essay may be typical of its period in idea or ideal content"
conforming to an ultimate standard of perfection or excellence; embodying an ideal
of or relating to the philosophical doctrine of the reality of ideas
characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
tending to float on a liquid or rise in air or gas; "buoyant balloons"; "buoyant balsawood boats"; "a floaty scarf"