whistling
whist·ling
noun
1.
Origin
From Middle English whistlinge, whystlynge, from Old English hwistlung, equivalent to whistle + -ing.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.