Definition of grader

Definition of grader
  1. grader Noun A machine used in construction for flattening large surfaces
  2. grader Noun One who grades, or that by means of which grading is done or facilitated.
  3. grader Noun One who belongs to a certain grade at school. Grammatically, "first grader" is a compound of "first grade" and "-er" rather than "first" and "grader", like "six-footer".
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