/ Dictionary / Index D disability clause: Meaning and Definition of Find definitions for: disabil'ity clause" Pronunciation: [key] — Insurance. Insurance. a clause in a life-insurance policy providing for waiver of premium and sometimes payment of monthly income if the policyholder becomes totally and permanently disabled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disability disability insurance Related Content Daily Word Quiz: diurnal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language