/ Dictionary / Index L lock rail: Meaning and Definition of Find definitions for: lock' rail" Pronunciation: [key] the rail of a door that meets the shutting stile at the level of the lock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lockport lockram Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language