/ Dictionary / Index L look-through: Meaning and Definition of Find definitions for: look-through Pronunciation: (look'thr"), [key] — n. the opacity and texture of paper when inspected by transmitted light. Also calledCf. look-down. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. look-see lookup Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language