(psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
a practice session in preparation for a public performance (as of a play or speech or concert); "he missed too many rehearsals"; "a rehearsal will be held the day before the wedding"
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"