Definition: A step or degree in any series, rank, quality, order;
relative position or standing; as, grades of military rank; crimes of
every grade; grades of flour.
Definition: The rate of ascent or descent; gradient; deviation from a
level surface to an inclined plane; -- usually stated as so many feet
per mile, or as one foot rise or fall in so many of horizontal
distance; as, a heavy grade; a grade of twenty feet per mile, or of 1
Definition: A graded ascending, descending, or level portion of a road;
Definition: The result of crossing a native stock with some better
breed. If the crossbreed have more than three fourths of the better
blood, it is called high grade.
Definition: To arrange in order, steps, or degrees, according to
size, quality, rank, etc.
Definition: To reduce to a level, or to an evenly progressive ascent,
as the line of a canal or road.
Definition: To cross with some better breed; to improve the blood of.
Definition: A harsh scraping or cutting; a grating.