/ Dictionary / Index L line trimmer: Meaning and Definition of Find definitions for: line' trim"mer Pronunciation: [key] a gardening device used to trim the edges of lawns by means of a rapidly rotating motor-driven flexible wire or cord. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. line storm lineup Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language