int. [Variant of WHO int.]
† 1. Whoa ho ho, used to call attention from a distance. Obs.
1623. Shaks., Merry W., V. v. 187. Whoa hoe, hoe, Father Page. Ibid. (1623), Wint. T., III. iii. 79. He hallowd but euen now. Whoa-ho-hoa.
2. A word of command to a horse or other draught-animal to stop or stand still; also used otherwise in conjunction with other words, as come hither whoa, gee-whoa, hait-whoa, whoa back. Hence used jocularly to a person as a command to stop or desist. (Cf. WOA.)
1849. W. S. Mayo, Kaloolah, iii. (1850), 32. Soh! whow! to his restive horses. Whow! I tell you . Whoa! I tell you.
1862. Thoreau, Ess. Walking (1895), 22. Who but the Evil One has cried Whoa! to mankind?
1865. Emily Dickinson, Lett. (1894), II. 256. Life will run away, notwithstanding our sweetest whoa.
1887. W. S. S. Tyrwhitt, New Chum in Queensland Bush, ix. 195. Men shouting : Whoa back! Whoa back!
1898. Hamblen, Gen. Managers Story, ix. 123. We were four minutes late, and as I shouted whoa to Jack [the engine-driver], I could see that he was mad [i.e., angry].
Hence Whoa v., intr. to shout whoa!
1841. S. C. Hall, Ireland, I. i. 73. The Englishman after who-aing to his horse, looks over the hedge.