| a pink salmon inhabiting North Pacific waters: so-called because of the hump that appears behind the head of the male when it is ready for spawning. |
| a small Pacific salmon, Oncorhynchus gorbuscha, distinguished by its small scales and long anal fin and by the bright red spawning coloration of males, occurring from California to Alaska and in waters of Japan: fished commercially and for sport. |
| humpback salmon n. See pink salmon. |
| pink salmon n. A small salmon (Oncorhynchus gorbuscha) of Pacific waters, the male of which has a pink color and a conspicuous dorsal hump during the spawning season. Also called humpback salmon. |
