Pronunciation: (trāl'blā"zur), [key]
1. a person who blazes a trail for others to follow through unsettled country or wilderness; pathfinder.
2. a pioneer in any field of endeavor: a trailblazer in science. Also called trail•break•erPronunciation: (trāl'brā"kur) [key].
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.