1. A card issued by the US government allowing an alien to work at most jobs in the United States.
2. A green-colored card shown to the captain of a women's lacrosse team by a referee, indicating a delay-of-game penalty.
[Sense 1, from the green card on which the document was formerly printed.]
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.