Definition of "Union"

The 0-10-2 locomotive wheel arrangement.  examples

The canton of the United States flag: the portion of the flag containing stars on a blue background.  examples

(US, with determiner, dated, especially 19th century) The United States of America.  examples

(US, with determiner, historical) Those of the United States that did not secede at the time of the Civil War (of the United States of America).

(with determiner, historical) 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).

(chiefly India, with determiner, law) Alternative form of union  examples

Place names:

1. A community in Central Elgin, Elgin County, Ontario, Canada.  examples

2. A barangay of Ubay, Bohol, Philippines.  examples

3. A village on the south cast of the island of Siargao, Surigao del Norte, Philippines.  examples

4. A number of places in the United States:

   1. A town in Greene County, Alabama.  examples

   2. A ghost town in Merced County, California.  examples

   3. A former unincorporated community in Napa County, California.  examples

   4. A small town in Tolland County, Connecticut.  examples

   5. A village in McHenry County, Illinois.  examples

   6. An unincorporated community in Clay Township, Pike County, Indiana.  examples

   7. A tiny city in Hardin County, Iowa.  examples

   8. A home rule city in Boone County, Kentucky.  examples

   9. A town in Knox County, Maine.  examples

   10. A town in Neshoba County and Newton County, Mississippi.  examples

   11. A city, the county seat of Franklin County, Missouri.  examples

   12. An unincorporated community in Clark County, Missouri.  examples

   13. A village in Cass County, Nebraska.  examples

   14. A village and census-designated place in the town of Wakefield, Carroll County, New Hampshire.  examples

   15. A hamlet in Madison County, New York.  examples

   16. A large town in Broome County, New York.  examples

   17. A city in Montgomery County and Miami County, Ohio.  examples

   18. A city in Union County, Oregon.  examples

   19. A city, the county seat of Union County, South Carolina.  examples

   20. An unincorporated community in Floyd County, Virginia.  examples

   21. A small town, the county seat of Monroe County, West Virginia.  examples

   22. A small town in Burnett County, Wisconsin.  examples

   23. A small town in Door County, Wisconsin.  examples

   24. A town and unincorporated community in Eau Claire County, Wisconsin.  examples

   25. An unincorporated community in the town of Lima, Grant County, Wisconsin.  examples

   26. A small town in Pierce County, Wisconsin.  examples

   27. A town and unincorporated community in Rock County, Wisconsin.  examples

   28. A small town in Vernon County, Wisconsin.  examples

   29. A small town in Waupaca County, Wisconsin.  examples

   30. A large number of townships in the United States, listed under Union Township.  examples

A surname.  examples

(Oxford University, informal) The Oxford Union (a debating society); not to be conflated with Oxford University Student Union (a students' union).  examples