/ Dictionary / Index I in terrorem clause: Meaning and Definition of Find definitions for: in ter•ro'rem clause" Pronunciation: (in te-rôr'em, -rōr'-), [key] — Law. Law. a clause in a will stating that a beneficiary who contests the will shall lose his or her legacy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interrogatory interrupt Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language