Breadcrumb Home > Dictionary > Index T three-mile limit: Meaning and Definition of Find definitions for: three'-mile lim'it Pronunciation: (thrē'mīl"), [key] — Internat. Law. Internat. Law. the limit of the marine belt of three mi. (4.8 km), which is included within the jurisdiction of the state possessing the coast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Three Mile Island Three Musketeers, The* TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: antediluvian Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language