/ Dictionary / Index O open enrollment: Meaning and Definition of Find definitions for: o'pen enroll'ment Pronunciation: [key] See enrollment at a public school of choice rather than compulsory assignment to a particular school because of where one lives. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open-end mortgage opener Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language