/ Dictionary / Index L lash rail: Meaning and Definition of Find definitions for: lash' rail" Pronunciation: [key] — Naut. Naut. a rail, solidly fixed to the bulwarks of a vessel, to which objects on deck can be lashed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lash line lashup Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language