/ Dictionary / Index B black duck: Meaning and Definition of Find definitions for: black' duck' Pronunciation: [key] any of several ducks having dusky or black plumage, as Anas rubripes, of the northeastern U.S. and Canada. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black dog black dwarf Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language