buck
UK: bʌk | US: bʌk
n. 1. A male deer, goat, or rabbit.
n. 2. (Informal) A dollar.
vt. 1. (Of a horse) to leap upward with arched back and hind legs.
vi. 2. (Informal) To resist or oppose something stubbornly.
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The word "buck" originates from Old English bucca, meaning "male goat," which itself derives from Proto-Germanic bukkaz. Over time, its meaning expanded to include other male animals like deer and rabbits. The financial slang sense ("dollar") emerged in 19th-century American English, possibly linked to buckskins used as trade goods. The verb sense ("to leap" or "resist") reflects the vigorous movements of a bucking animal.
A majestic buck stood at the edge of the forest.
He earned fifty bucks mowing lawns last weekend.
The horse bucked wildly when the rider mounted.
She refused to buck under pressure during the debate.
The mechanic had to buck the rusty bolt loose.