/ Dictionary / Index M mud dauber: Meaning and Definition of Find definitions for: mud' daub"er Pronunciation: [key] any of several wasps of the family Sphecidae that build a nest of mud cells and provision it with spiders or insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mud crack mudder Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language