[Imitative: cf. WOUGH sb., and BOW-WOW.] a. A bark or similar sound. b. A waul.

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1811.  Sporting Mag., XXXVII. 13. Johnson with a surly wow, wow.

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1862.  Hislop, Prov. Scot., 125. It’s weak i’ the wow, like Barr’s cat.

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1913.  Blackw. Mag., March, 452/2. A barking deer explodes in an unexpected ‘wow’ ten yards off.

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