[duhb-uh l-yoo-eych-kwes-chuh n]
noun Grammar. (in English)
a question containing a WH-word, often in initial position, and calling for an item of information to be supplied, as Where do you live?
Compare yes-no question.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019