Is “Bucking” a Scrabble word?

1.To copulate, as bucks and does.

1.To bend; buckle.

2.(of a horse or similar saddle or pack animal) To leap upward arching its back, coming down with head low and forelegs stiff, forcefully kicking its hind legs upward, often in an attempt to dislodge or throw a rider or pack.

3.(of a horse or similar saddle or pack animal) To throw (a rider or pack) by bucking.

1.To soak, steep or boil in lye or suds, as part of the bleaching process.

2.To wash (clothes) in lye or suds, or, in later usage, by beating them on stones in running water.

3.To break up or pulverize, as ores.

1.The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching.

2.The liquid used in this process.

3.A washing.