/ Dictionary / Index P Pleasant Island: Meaning and Definition of Find definitions for: Pleas'ant Is'land Pronunciation: [key] former name of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pleasant Hill Pleasanton Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language