There are 3 definitions of chum in English:

chum1

Syllabification: chum
Pronunciation: /CHəm
 
/
informal

noun

1A close friend.
More example sentences
  • You thought he was your friend, your pal, your chum.
  • Historians agree Alexander and his beloved Haphaestion were more than battle mates and boyhood chums.
  • Luckily, she found employment at a bank through her friend Saira who had been her college chum.
Synonyms
friend; companion, intimate; playmate, classmate, schoolmate, workmate
informal pal, sidekick, crony, main man, mate, buddy, bud, amigo, compadre, homeboy, homegirl, homie, dawg
(chums) informal peeps
1.1A form of address expressing familiarity or friendliness: it’s your own fault, chum
More example sentences
  • Which is exactly why I didn't go to my school reunion, old chums.
  • John replied, "Don't look so glum, chum!"
  • Haven't you been listening at all, chum?

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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Pronunciation: ˈkraʊdsɔːs
verb
obtain (information) by enlisting help of many people…

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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