1. Growing or grown into a head.
2. Having a head or heading.
3. Having a specified kind or number of heads. Often used in combination: a flat-headed screw; three-headed Cerberus.
4. Having a mentality of a certain type. Often used in combination: soft-headed politicians; a cool-headed fighter pilot.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.