/ Dictionary / Index L lowside window: Meaning and Definition of Find definitions for: low'side win'dow Pronunciation: (lō'sīd"), [key] (in medieval English churches) a window set low in the outside wall, permitting the interior to be seen from the outside. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lowse low-spirited Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language