1.a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting
2.a piece of paper money worth one dollar
3.a framework for holding wood that is being sawed
4.mature male of various mammals (especially deer or antelope)
5.of the lowest rank in a category;
a buck private
1.to strive with determination;
John is bucking for a promotion
2.resist;
buck the trend
3.move quickly and violently;
The car tore down the street
4.jump vertically, with legs stiff and back arched;
the yung filly bucked