grade
Abbr. gr.
1.
2.
3.
4.
5.
6. A mark indicating a student's level of accomplishment.
7. A military, naval, or civil service rank.
8. The degree of inclination of a slope, road, or other surface.
9. A slope or gradual inclination, especially of a road or railroad track.
10. The level at which the ground surface meets the foundation of a building.
11. A domestic animal produced by crossbreeding one of purebred stock with one of ordinary stock.
12. Linguistics. A degree of ablaut.
verb
graded
4. To level or smooth to a desired or horizontal gradient.
5. To gradate.
6. To improve the quality of (livestock) by crossbreeding with purebred stock.
[French, from Latin gradus.]