Array and Grade

array

An orderly arrangement.
- usage: "an array of troops in battle order"
An impressive display.
- usage: "it was a bewildering array of books"; "his tools were in an orderly array on the basement wall"
Especially fine or decorative clothing.
- synonyms: raiment, regalia
An arrangement of aerials spaced to give desired directional characteristics.

Lay out orderly or logically in a line or as if in a line.
- usage: "lay out the clothes"; "lay out the arguments"
- synonyms: range, lay out, set out
Align oneself with a group or a way of thinking.
- synonyms: align

(n.) Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle; as, drawn up in battle array.
(n.) To deck or dress; to adorn with dress; to cloth to envelop; -- applied especially to dress of a splendid kind.
(n.) To place or dispose in order, as troops for battle; to marshal.
(n.) The whole body of jurors summoned to attend the court.
(n.) To set in order, as a jury, for the trial of a cause; that is, to call them man by man.
(n.) A ranking or setting forth in order, by the proper officer, of a jury as impaneled in a cause.
(n.) The whole body of persons thus placed in order; an orderly collection; hence, a body of soldiers.
(n.) An imposing series of things.
(n.) Dress; garments disposed in order upon the person; rich or beautiful apparel.
(n.) The panel itself.

Webster's Revised Unabridged Dictionary

grade

A body of students who are taught together.
- usage: "early morning classes are always sleepy"
- synonyms: class, form, course
A relative position or degree of value in a graded group.
- usage: "lumber of the highest grade"
- synonyms: level, tier
The gradient of a slope or road or other surface.
- usage: "the road had a steep grade"
One-hundredth of a right angle.
- synonyms: grad
A degree of ablaut.
- synonyms: gradation
A number or letter indicating quality (especially of a student's performance. )
- usage: "she made good marks in algebra"; "grade A milk"; "what was your score on your homework"
- synonyms: mark, score
The height of the ground on which something stands.
- usage: "the base of the tower was below grade"
- synonyms: ground level
A position on a scale of intensity or amount or quality.
- usage: "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree"
- synonyms: degree, level
A variety of cattle produced by crossbreeding with a superior breed.

Assign a rank or rating to.
- usage: "how would you rank these students"; "The restaurant is rated highly in the food guide"
- synonyms: rate, rank, range, order, place
Level to the right gradient.
Assign a grade or rank to, according to one's evaluation.
- usage: "grade tests"; "score the SAT essays"; "mark homework"
- synonyms: score, mark
Determine the grade of or assign a grade to. .

(v.t.) To reduce to a level or to an evenly progressive ascent, as the line of a canal or road.
(n.) A graded ascending, descending or level portion of a road; a gradient.
(n.) 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.
(v.t.) To cross with some better breed; to improve the blood of.
(n.) 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 in 264.
(n.) 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.
(v.t.) To arrange in order, steps or degrees, according to size, quality, rank, etc.
(n.) A harsh scraping or cutting; a grating.

Webster's Revised Unabridged Dictionary

GRADE is the contour of the land, usually around a building, which affects drainage patterns on the property.