/ Dictionary / Index L lashup: Meaning and Definition of Find definitions for: lash•up Pronunciation: (lash'up"), [key] — n. Informal. a hastily made or arranged device, organization, etc. any improvised arrangement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lash rail lasing 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