/ Dictionary / Index S short line: Meaning and Definition of Find definitions for: short' line" Pronunciation: [key] a bus or rail route covering only a limited distance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. shortleaf pine short list Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language