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The Collaborative International Dictionary of English v.0.48 (gcide)

Grade \Grade\, v. t. [imp. & p. p. {Graded}; p. pr. & vb. n.
{Grading}.]
1. To arrange in order, steps, or degrees, according to size,
quality, rank, etc.
[1913 Webster]

2. To reduce to a level, or to an evenly progressive ascent,
as the line of a canal or road.
[1913 Webster]

3. (Stock Breeding) To cross with some better breed; to
improve the blood of.
[1913 Webster]


Grading \Grad"ing\, n.
The act or method of arranging in or by grade, or of
bringing, as the surface of land or a road, to the desired
level or grade.
[1913 Webster]