/ Dictionary / Index B Berlin Wall: Meaning and Definition of Find definitions for: Ber'lin Wall' Pronunciation: [key] a guarded concrete wall 28 mi. (45 km) long, with minefields and controlled checkpoints, erected across Berlin by East Germany in 1961. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Berliner Berlin wool 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