/ Dictionary / Index B bilge pump: Meaning and Definition of Find definitions for: bilge' pump" Pronunciation: [key] — Naut. Naut. a pump for removing water from a bilge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bilge keel bilge water Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language