/ Dictionary / Index D dells: Meaning and Definition of Find definitions for: dells Pronunciation: (delz), [key] — n.pl. dalles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dells (Thesaurus) Dello Joio Delmarva Peninsula Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language