/ Dictionary / Index B black liquor: Meaning and Definition of Find definitions for: black' liq'uor Pronunciation: [key] (in making wood pulp for paper) the liquor that remains after digestion. Cf. white liquor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black-light trap blacklist Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language