|noun|
1.A person or thing that grades.
‘Ms. Jones says she isn't confident in the grading system, which instructs _graders_ to disregard factual errors in almost all circumstances.’
‘He's a road _grader_ who brings versatility to the unit.’
2.A pupil of a specified grade in a school.
‘a first- _grader_ ’
‘Fourth _graders_ are slipping behind in mathematics and science, compared to students internationally.’
3.A wheeled machine for levelling the ground, especially in making roads.
‘In the past, _graders_ at construction sites achieved accuracy by making repeated passes over the ground.’
‘They point out some important differences between motor _graders_ and other earthmoving machines when it comes to converting engine power to tractive effort and work output.’
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|noun|
‘Ms. Jones says she isn't confident in the grading system, which instructs _graders_ to disregard factual errors in almost all circumstances.’
