Definition from Wiktionary, the free dictionary
See also: polka-dot
1871, US, named for polka dance, which was popular at the time (1840–1890). Numerous other products were named for the dance, but have not endured.
- Any of a number of uniform round dots, repeated to make a regular geometric pattern on a fabric
uniform round dots forming a pattern on fabric
- “All the while doing the Postal Polka Two-Step.”, The Word Detective