whoof

Interjection

1. The sound of a dog barking.
2. The sound of a steam train, steam boat, etc.
   • Whoof! whoof! its steaming breath hissed at her.1902, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Bush Studies (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 5

Verb

whoof (third-person singular simple present whoofs, present participle whoofing, simple past and past participle whoofed)

1. (intransitive) To make sound like a dog's bark; to bark.
   • It was quite an expedition that Ida met, a kind of elfin's rout it looked in the moonlight, children and animals and a fairy-like presence with a face like a moon-lily, all scampering and squealing and whoofing and miauling in a merry game they were making of their progress.1961, Xavier Herbert, Soldiers' Women, Netley, SA: Fontana Books, published 1978, page 291
2. (intransitive) To make a snuffling noise, like a bear vocalising, or a steam engine puffing.
   • He kicked Leo in the ribs to wake him up. Leo grunted and whoofed.1980, Stephen King, Big Wheels: A Tale of the Laundry Game