[f. BUCK sb.1] To copulate with; said of male rabbits and some other animals.
1530. Palsgr., 472/1. Konyes buck every moneth.
1575. Turberv., Bk. Venerie, lxiii. 178. The Conie must be bucked againe, for els she will eate vp hir Rabets.
1616. Surfl. & Markh., Countr. Farm, 315. Take a liue one [Moule] in March, when they are a bucking.
1741. Compl. Fam.-Piece, II. i. 303. Having struck or buckt her, falls down backwards, lying for some Time as it were in a Trance.