A chair with side structures to support the arms or elbows.
1. Not actively involved in or responsible for something, while nonetheless inclined to offer opinions or advice: "that greatest weapon of all armchair generals—hindsight" (Brooks D. Simpson).
2. Taking part vicariously, as through reading: armchair detectives; an armchair traveler.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.