[f. BUCK v.2 + -ING1.] The copulation of certain animals. Also attrib.

1

1535.  Coverdale, Gen. xxx. 41. In the first buckynge tyme of the flockes.

2

1657.  Colvil, Whigs Supplic. (1751), 122. Finmacoul … in a bucking time of year Did rout and chace a herd of deer.

3