/ Dictionary / Index L leech line: Meaning and Definition of Find definitions for: leech' line" Pronunciation: [key] — Naut. Naut. a line for hauling the middle of a leech of a square sail up to the yard. Cf. leech rope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leechee leech rope 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