The noun grade has 9 senses (first 3 from tagged texts)
1. (17) class, form, grade -- (a body of students who are taught together; "early morning classes are always sleepy")
2. (5) grade, level, tier -- (a relative position or degree of value in a graded group; "lumber of the highest grade")
3. (1) grade -- (the gradient of a slope or road or other surface; "the road had a steep grade")
4. grad, grade -- (one-hundredth of a right angle)
5. grade, gradation -- (a degree of ablaut)
6. mark, grade, score -- (a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?")
7. grade, ground level -- (the height of the ground on which something stands; "the base of the tower was below grade")
8. degree, grade, level -- (a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree")
9. grade -- (a variety of cattle produced by crossbreeding with a superior breed)
Overview of verb grade
The verb grade has 4 senses (first 1 from tagged texts)
1. (1) rate, rank, range, order, grade, place -- (assign a rank or rating to; "how would you rank these students?"; "The restaurant is rated highly in the food guide")
2. grade -- (level to the right gradient)
3. grade, score, mark -- (assign a grade or rank to, according to one's evaluation; "grade tests"; "score the SAT essays"; "mark homework")
4. grade -- (determine the grade of or assign a grade to)