extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned | cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins |
bottom-living cephalopod having a soft oval body with eight long tentacles | any of the stiff bony spines in the fin of a fish |
medium-sized greyish-black whale of the northern Pacific | the syllable naming the second (supertonic) note of any major scale in solmization |
| a column of light (as from a beacon) |
| a group of nearly parallel lines of electromagnetic radiation |
| a branch of an umbel or an umbelliform inflorescence |
| (mathematics) a straight line extending from a point |