Definition of "whisky"

That the young Mr. Churchills liked—but they did not like him coming round of an evening and drinking weak whisky-and-water while he held forth on railway debentures and corporation loans. Mr. Barrett, however, by fawning and flattery, seemed to be able to make not only Mrs. Churchill but everyone else do what he desired.

1918, W. B. Maxwell, chapter 2, in The Mirror and the Lamp‎

Look into old age, you will see avarice joined to poverty—letchery, gout, impotency, like three monkeys, or London bucks, in a one-horse whisky, driving to the Devil.

1768, Ignatius Sancho, letter to Mr. M—, in Letters of the Late Ignatius Sancho, London: J. Nichols, 3rd edition, 1784, pp. 7-8

Ye Ladies of Lapland who beesoms bestride,Or, pair’d in Witch Whiskeys, aslant the Moon slide;

1772, George Alexander Stevens, “The Portrait”, in Songs, Comic, and Satyrical‎, Oxford, page 202

At the appointed time Mr. Kettering’s one-horse chaise, or rather whisky, drove up to the door; for, as it was principally intended for him to visit his patients, when disinclined to mount his horse, it was built in the lightest manner, and without a head, that it might move with the greater expedition.

1797, Charlotte Lennox, chapter 4, in The History of Sir George Warrington‎, volume 1, London: J. Bell, page 46