Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: boulder  bówl-du(r)
  1. A large smooth mass of rock detached from its place of origin
    "an enormous boulder";
    - bowlder [non-standard]
Noun: Boulder  bówl-du(r)
  1. A town in north central Colorado; Rocky Mountains resort centre and university town

Sounds like: bolder, Boulder

Derived forms: boulders

Type of: rock, stone, town

Part of: Centennial State, CO, Colo., Colorado

Encyclopedia: Boulder, Nebraska Territory