"Union" definition, meaning, and origin

Proper noun US, dated

The United States of America.
- threats to secede from the Union
Those of the United States that did not secede at the time of the Civil War (of the United States of America).
- Union troops at Gettysburg
The Soviet Union: the proper noun Union is the standard English translation of the proper noun Союз (Sojuz), and All-Union is the standard English translation of всесоюзный (vsesojuznyj).
- throughout the Union, but nowhere more so than at the Center [Moscow]
Alternative form of union.
Place names:
1. A community in Central Elgin municipality, Elgin County, Ontario, Canada.
2. A barangay of Ubay, Bohol, Philippines.
3. A village on the south cast of the island of Siargao, Surigao del Norte, Philippines.
4. A number of places in the United States:
  
  A town in Greene County, Alabama.
5. A number of places in the United States:
  
  A ghost town in Merced County, California.
6. A number of places in the United States:
  
  A former unincorporated community in Napa County, California.
7. A number of places in the United States:
  
  A small town in Tolland County, Connecticut.
8. A number of places in the United States:
  
  A village in McHenry County, Illinois.
9. A number of places in the United States:
  
  An unincorporated community in Clay Township, Pike County, Indiana.
10. A number of places in the United States:
  
  A tiny city in Hardin County, Iowa.
11. A number of places in the United States:
  
  A home rule city in Boone County, Kentucky.
12. A number of places in the United States:
  
  A town in Knox County, Maine.
13. A number of places in the United States:
  
  A town in Neshoba County and Newton County, Mississippi.
14. A number of places in the United States:
  
  A city, the county seat of Franklin County, Missouri.
15. A number of places in the United States:
  
  An unincorporated community in Clark County, Missouri.
16. A number of places in the United States:
  
  A village in Cass County, Nebraska.
17. A number of places in the United States:
  
  A village and census-designated place in the town of Wakefield, Carroll County, New Hampshire.
18. A number of places in the United States:
  
  A hamlet in Madison County, New York.
19. A number of places in the United States:
  
  A large town in Broome County, New York.
20. A number of places in the United States:
  
  A city in Montgomery County and Miami County, Ohio.
21. A number of places in the United States:
  
  A city in Union County, Oregon.
22. A number of places in the United States:
  
  A city, the county seat of Union County, South Carolina.
23. A number of places in the United States:
  
  An unincorporated community in Floyd County, Virginia.
24. A number of places in the United States:
  
  A small town, the county seat of Monroe County, West Virginia.
25. A number of places in the United States:
  
  A small town in Burnett County, Wisconsin.
26. A number of places in the United States:
  
  A small town in Door County, Wisconsin.
27. A number of places in the United States:
  
  A town and unincorporated community in Eau Claire County, Wisconsin.
28. A number of places in the United States:
  
  An unincorporated community in the town of Lima, Grant County, Wisconsin.
29. A number of places in the United States:
  
  A small town in Pierce County, Wisconsin.
30. A number of places in the United States:
  
  A town and unincorporated community in Rock County, Wisconsin.
31. A number of places in the United States:
  
  A small town in Vernon County, Wisconsin.
32. A number of places in the United States:
  
  A small town in Waupaca County, Wisconsin.
33. A number of places in the United States:
  
  A large number of townships in the United States, listed under Union Township.