DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)

Found one definition

  1.                 From The Collaborative International Dictionary of English v.0.48:
                    

    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]