/ Dictionary / Index B bldg.: Meaning and Definition of Find definitions for: bldg. Pronunciation: [key] building. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blazonry Bldg.E. Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language