n. 1.a body of students who are taught together 2.a relative position or degree of value in a graded group 3.the gradient of a slope or road or other surface 4.one-hundredth of a right angle 5.a degree of ablaut 6.a number or letter indicating quality (especially of a student's performance) 7.the height of the ground on which something stands 8.a position on a scale of intensity or amount or quality 9.a variety of cattle produced by crossbreeding with a superior breed grade v. 1.assign a rank or rating to 2.level to the right gradient 3.assign a grade or rank to, according to one's evaluation 4.determine the grade of or assign a grade to