a. Not moving.
b. Not capable of being moved; fixed.
2. Unchanging: a stationary sound.
n. pl. sta·tion·ar·ies
One that is stationary.
[Middle English stacionarie, from Old French stationnaire, from Medieval Latin statiōnārius, from Latin, belonging to a military station, from statiō, statiōn-, station; see STATION.]
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.