1. The act of seceding.
2. often Secession The withdrawal of 11 Southern states from the Union in 1860-1861, precipitating the US Civil War.
[Latin sēcessiō, sēcessiōn-, from sēcessus, past participle of sēcēdere, to secede; see SECEDE.]
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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.