buck

nouns

a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting
buck, long horse, vaulting horse
a piece of paper money worth one dollar
buck, clam, dollar, dollar bill, one dollar bill
a framework for holding wood that is being sawed
buck, horse, sawbuck, sawhorse
mature male of various mammals (especially deer or antelope)
buck
is a type of (narrower)
mammals having a placenta; all mammals except monotremes and marsupials
eutherian, eutherian mammal, placental, placental mammal

verbs

to strive with determination
"John is bucking for a promotion"
buck
is a type of (narrower)
attempt by employing effort
"we endeavor to make our customers happy"
endeavor, endeavour, strive
resist
"buck the trend"
buck, go against
move quickly and violently
"The car tore down the street"; "He came charging into my office"
buck, charge, shoot, shoot down, tear
jump vertically, with legs stiff and back arched
"the yung filly bucked"
buck, hitch, jerk