1. One that binds, especially a bookbinder.
2. Something, such as a cord, used to bind.
3. A notebook cover with rings or clamps for holding sheets of paper.
4. Something, such as the latex in certain paints, that creates uniform consistency, solidification, or cohesion.
a. A machine that reaps and ties grain.
b. An attachment on a reaping machine that ties grain in bundles.
a. A payment or written statement making an agreement legally binding until the completion of a formal insurance contract.
b. An agreement specifying the terms and conditions of a real estate transaction.
7. Ecology A plant, such as a ground cover, whose growth retards erosion.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. 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.