What is the meaning of grade?

noun

• 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.

verb

• 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. .