/ Dictionary / Index G grade crossing: Meaning and Definition of Find definitions for: grade' cross"ing Pronunciation: [key] an intersection of a railroad track and another track, a road, etc., at the same level. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gradeability graded area Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language