[f. WHIP sb. 1.] A master who uses the whip; a flogger.
1725. Bailey, Erasm. Colloq. (1878), I. 103. Wo to our Back-Sides, hes a greater Whip-Master [L. flagellator] than Busby himself.
1893. K. Grahame, Pagan Papers, 96. These whipmasters of ours.