Meaning

noun a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting

noun a piece of paper money worth one dollar

noun United States author whose novels drew on her experiences as a missionary in China (1892-1973)

originFrom Middle English bukke, bucke, buc, from Old English buc, bucc, bucca (“he-goat, stag”), from Proto-West Germanic *bukk, *bukkō, from Proto-Germanic *bukkaz, *bukkô (“buck”), from Proto-Indo-European *bʰuǵ- (“ram”). Doublet of puck (“billy goat”). Currency-related senses hail from American English, a clipping of buckskin as a unit of trade among Indians and Europeans in frontier days (attested…

Etymology from Wiktionary, CC BY-SA 3.0