definition of
[cowboy]

[1] #1 cowboy n. [cowpuncher, puncher, cowman, cattleman, cowpoke, cowhand, cowherd] a hired hand who tends cattle and performs other duties on horseback. wn

[2] #2 cowboy n. [rodeo rider] a performer who gives exhibitions of riding and roping and bulldogging. wn

[3] #3 cowboy n. someone who is reckless or irresponsible (especially in driving vehicles). wn