Tra từ buck - Từ điển Oxford Advanced Learner 8th

buck [buck bucks bucked bucking] noun, verb BrE [bʌk] NAmE [bʌk]
noun
1. countable (informal)a US, Australian or New Zealand dollar; a South African ↑rand; an Indian ↑rupee
•They cost ten bucks.
•We're talking big bucks (= a lot of money) here.
2. countable a male ↑deer, ↑hare or ↑rabbit (also called a buck rabbit)
compare ↑doe, ↑hart, ↑stag
3. countable (pl. buck)(SAfrE)a ↑deer, whether male or female
•a herd of buck
4. countable (old-fashioned, informal)a young man
5. the bucksingular used in some expressions to refer to the responsibility or blame for sth
•It was my decision. The buck stops here (= nobody else can be blamed).
•I was tempted to pass the buck (= make sb else responsible). From buck, an object which in a poker game is placed in front of the player whose turn it is to deal.
more at bang for your buck at ↑bang _n., look/feel like a million dollars/bucks at ↑million

Word Origin:
n. senses 2 to 3 and v. Old English buc ‘male deer’ Germanic Dutch bok German Bock bucca ‘male goat’ n. sense 1 mid 19th cent.
Idioms: ↑buck your ideas up ▪ ↑make a fast buck
Derived: ↑buck somebody up ▪ ↑buck up

verb
1. intransitive (of a horse)to jump with the two back feet or all four feet off the ground
2. intransitive to move up and down suddenly or in a way that is not controlled
•The boat bucked and heaved beneath them.
•The shotgun bucked in his hands.
3. transitive ~ sth (informal)to resist or oppose sth
•One or two companies have managed to buck the trend of the recession.
•He admired her willingness to buck the system (= oppose authority or rules).
•The President is unlikely to buck pressure from the public.
Verb forms:

Word Origin:
n. senses 2 to 3 and v. Old English buc ‘male deer’ Germanic Dutch bok German Bock bucca ‘male goat’ n. sense 1 mid 19th cent.