Imitation of the sound of a whistle.

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1861.  Ld. Haddo, in Mem., xv. (1873), 212. It was puff, puff,—whist, whist;—and we were under weigh.

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a. 1896.  in Life & Lett. Millais (1899), II. 408. I said to a beautiful young person in the bar, ‘I want a bedroom with a fire in it.’ Off she went to a pipe, and said, ‘Whist! No. 238. and a fire.’

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