|Origin:||Perhaps from buckskin; because it was used as a unit of exchange in trade with Native Americans.|
|Origin:||buck 'object used in the card game of poker to mark the next person to play' (19-20 centuries), from buckhorn knife 'knife with a handle made from a buck's horn' (19-20 centuries).|
|Origin:||Old English bucca 'male deer or goat'|
buck1 S1 [countable]
a US, Canadian, or Australian dollar:
He owes me ten bucks.
The movie is about a group of men trying to make a buck (=earn some money) as male strippers.
big/mega bucks (=a lot of money)
Using celebrities in advertising is guaranteed to pull in big bucks.
make a fast/quick buck (=make some money quickly, often dishonestly)
2 also the buck stops with somebody
used to say that a particular person is responsible for something:
The buck stops firmly with the boss.
to make someone else them responsible for something that you should deal with
a male rabbit, deer, and some other male animals [↪ doe]
animalHBA plural buck or bucks
5 informal especially American English
to feel or look very healthy, happy, and beautiful
a young man