/ Dictionary / Index Y yardmaster: Meaning and Definition of Find definitions for: yard•mas•ter Pronunciation: (yärd'mas"tur, -mä"stur), [key] — n. a person who superintends all or part of a railroad yard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yardmaster (Thesaurus) yardman yard-of-ale Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language