rock island

1. 1.

   a town in northwest Illinois on the Mississippi River; site of a Union prison during the American Civil War

   Broadertown

   Part ofIllinois

Questions about rock island

What does rock island mean?

rock island means "a town in northwest Illinois on the Mississippi River; site of a Union prison during the American Civil War".

Is rock island a common word?

rock island is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.