'Grader' definitions:

Definition of 'grader'

noun

A judge who assigns grades to something

Definition of 'Grader'

From: GCIDE

Grader \Grad"er\, n.
1. One who grades, or that by means of which grading is done or facilitated.
2. Specifically: A vehicle used for levelling earth, esp. one with a plow blade suspended from the center, used specifically for grading roads. [PJC]

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