[greyd] 
noun, verb, grad⋅ed, grad⋅ing.| 1. | a degree or step in a scale, as of rank, advancement, quality, value, or intensity: the best grade of paper. |
| 2. | a class of persons or things of the same relative rank, quality, etc. |
| 3. | a step or stage in a course or process. |
| 4. | a single division of a school classified according to the age or progress of the pupils. In the U.S., public schools are commonly divided into twelve grades below college. |
| 5. | the pupils in such a division. |
| 6. | grades, elementary school (usually prec. by the): He first began teaching in the grades. |
| 7. | a letter, number, or other symbol indicating the relative quality of a student's work in a course, examination, or special assignment; mark. |
| 8. | a classification or standard of food based on quality, size, etc.: grade A milk. |
| 9. | inclination with the horizontal of a road, railroad, etc., usually expressed by stating the vertical rise or fall as a percentage of the horizontal distance; slope. |
| 10. | Building Trades. Also called grade line. the level at which the ground intersects the foundation of a building. |
| 11. | an animal resulting from a cross between a parent of ordinary stock and one of a pure breed. |
| 12. | Mathematics. grad 2 . |
| 13. | to arrange in a series of grades; class; sort: a machine that grades two thousand eggs per hour. |
| 14. | to determine the grade of. |
| 15. | to assign a grade to (a student's work); mark: I graded forty tests last night. |
| 16. | to cause to pass by degrees, as from one color or shade to another. |
| 17. | to reduce to a level or to practicable degrees of inclination: to grade a road. |
| 18. | to cross (an ordinary or low-grade animal) with an animal of a pure or superior breed. |
| 19. | to incline; slant or slope: The road grades steeply for a mile. |
| 20. | to be of a particular grade or quality. |
| 21. | to pass by degrees from one color or shade to another; blend: See how the various colors grade into one another. |
| 22. | grade up, to improve (a herd, flock, etc.) by breeding with purebreds. |
| 23. | at grade,
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| 24. | make the grade, to attain a specific goal; succeed: He'll never make the grade in medical school. |
| 25. | up to grade, of the desired or required quality: This shipment is not up to grade. |
