There are 3 definitions of chum in English:

chum1

Syllabification: chum
Pronunciation: /CHəm
 
/
informal

noun

verb (chums, chumming, chummed)

[no object] Back to top  
  • Be friendly to or form a friendship with someone: they started chumming around in high school
    More example sentences
    • ‘Sure,’ I replied, a bit confused by the girl's apparent taking to me, but at the same time a bit grateful to have a fellow female to chum around with.
    • Then they chummed up with Stereolab and mimicked that band's increasingly electronic direction.
    • She was chumming around with the wrong sort of people, and she got stuck helping him plot his murder.

Origin

late 17th century (originally Oxford University slang, denoting a roommate): probably short for chamber-fellow. Compare with comrade and crony.

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Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea

There are 3 definitions of chum in English:

chum2

Syllabification: chum
Pronunciation: /
 
CHəm/
chiefly North American

noun

  • 1Chopped fish, fish fluids, and other material thrown overboard as angling bait.
    More example sentences
    • Their bland prettiness makes them more enticing as shark chum than as characters, but then a funny thing happens once they're at sea.
    • We idled over a structure loaded with kings stimulated into a feeding frenzy by generous helpings of chum.
    • I swear, people only ever invite me sea-fishing to save on the cost of chum.
  • 1.1Refuse from fish, especially that remaining after expressing oil.

verb (chums, chumming, chummed)

[no object] Back to top  
  • Use chum as bait when fishing.
    More example sentences
    • What has struck a nerve with some scientists, says Gruber, is that the Florida ban ‘allows spear fishing and chumming in order to kill sharks, but not diving to learn about sharks.’
    • We spent three long days on the water chumming for sharks but none turned up.
    • To get good shots of sharks, chumming and baiting is sometimes essential.

Origin

mid 19th century: of unknown origin.

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There are 3 definitions of chum in English:

chum3

Syllabification: chum
Pronunciation: /
 
CHəm/
(also chum salmon)

noun (plural same or chums)

  • A large North Pacific salmon that is commercially important as a food fish.
    • Oncorhyncus keta, family Salmonidae
    More example sentences
    • Some of the species that enter freshwater to spawn are western brook lamprey, pacific lamprey, river lamprey, green sturgeon, white sturgeon, pink salmon, chum salmon, coho salmon, and sockeye salmon.
    • Most supermarket salmon is wild Pacific salmon - chinook, coho, pink, sockeye, and chum salmon - or farmed Atlantic salmon from Chile, Canada, Norway, or the United States.
    • It is possible to catch late king salmon, chum salmon, sockeye salmon, early silver salmon, rainbow trout, dolly varden, grayling and arctic char.

Origin

early 20th century: from Chinook Jargon tzum (samun), literally 'spotted (salmon)'.

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