/ Dictionary / Index B Block Island: Meaning and Definition of Find definitions for: Block' Is'land Pronunciation: [key] an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blockish block lava 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