noun, verb, chummed, chum⋅ming.| 1. | a close or intimate companion: boyhood chums. |
| 2. | a roommate, as at college. |
| 3. | to associate closely. |
| 4. | to share a room or rooms with another, esp. in a dormitory at a college or prep school. |

noun, verb, chummed, chum⋅ming.| 1. | cut or ground bait dumped into the water to attract fish to the area where one is fishing. |
| 2. | fish refuse or scraps discarded by a cannery. |
| 3. | to fish by attracting fish by dumping cut or ground bait into the water. |
| 4. | to dump chum into (a body of water) so as to attract fish. |
| 5. | to lure (fish) with chum: They chummed the fish with hamburger. |

| a Pacific salmon, Oncorhynchus keta, occurring from southern California to Alaska and off the coasts of Japan and Korea, fished commercially and for sport. |

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