buck

(noun) a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting. Synonyms: vaulting horse, long horse.

(noun) a piece of paper money worth one dollar. Synonyms: dollar, dollar bill, one dollar bill, clam.

(noun) United States author whose novels drew on her experiences as a missionary in China (1892-1973). Synonyms: Buck, Pearl Buck, Pearl Sydenstricker Buck.

(noun) a framework for holding wood that is being sawed. Synonyms: sawhorse, horse, sawbuck.

(noun) mature male of various mammals (especially deer or antelope).

(verb) to strive with determination. Example: "John is bucking for a promotion."

(verb) resist. Synonyms: go against. Example: "Buck the trend."

(verb) move quickly and violently. Synonyms: tear, shoot, shoot down, charge. Examples: "The car tore down the street." "He came charging into my office."

(verb) jump vertically, with legs stiff and back arched. Synonyms: jerk, hitch. Example: "The yung filly bucked."