definition of
[buck]

[1] #1 buck v. to strive with determination; "John is bucking for a promotion". wn

[2] #2 buck n. [vaulting horse, long horse] a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting. wn

[3] #3 buck v. [go against] resist; "buck the trend". wn

[4] #4 buck n. [dollar, dollar bill, one dollar bill, clam] a piece of paper money worth one dollar. wn

[5] #5 buck n. [Buck, Pearl Buck, Pearl Sydenstricker Buck] United States author whose novels drew on her experiences as a missionary in China (1892-1973). wn