A long, straight, narrow cut or opening.
tr.v. slit, slit·ting, slits
1. To make a slit or slits in.
2. To cut lengthwise into strips; split.
[Middle English slitte, from slitten, to split, from Old English slītan, to cut up.]
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.