v. in·ter·locked, in·ter·lock·ing, in·ter·locks
1. To unite or join closely as by hooking or dovetailing.
2. To connect together (parts of a mechanism, for example) so that the individual parts affect each other in motion or operation.
To become united or joined closely, as by hooking or dovetailing.
1. A mechanical device that prevents a component from functioning when another component is functioning or situated in a particular way.
2. A stretchy fabric knitted with interlocking stitches by alternating sets of needles on a circular knitting machine.
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.