Breadcrumb Home > Dictionary > Index L lunar excursion module: Meaning and Definition of Find definitions for: lu'nar excur'sion mod"ule Pronunciation: [key] — U.S. Aerospace. (often cap.)U.S. Aerospace. SeeAbbr.: LEM Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lunar eclipse lunarian TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recondite Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language