1. One that grades, especially:
a. One who grades students' work.
b. A piece of heavy equipment used to level or smooth roads or other surfaces to the desired gradient.
2. A student in a specified class in an elementary, middle, or secondary school. Often used in combination: tenth graders.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.