1. The act or process of abutting.
a. Something that abuts.
b. The point of contact of two abutting objects or parts.
a. The part of a structure that bears the weight or pressure of an arch.
b. A structure that supports the end of a bridge.
c. A structure that anchors the cables of a suspension bridge.
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.