buck

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

a piece of paper money worth one dollar

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

a framework for holding wood that is being sawed

mature male of various mammals (especially deer or antelope)

to strive with determination; "John is bucking for a promotion"

resist; "buck the trend"

move quickly and violently; "The car tore down the street"; "He came charging into my office"

jump vertically, with legs stiff and back arched; "the yung filly bucked"