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


Noun: Balaenoptera musculus
  1. Largest mammal ever known; bluish-grey migratory whalebone whale mostly of Southern Hemisphere
    - blue whale, sulfur bottom [N. Amer], sulphur bottom [Brit, Cdn]

Type of: baleen whale, whalebone whale

Part of: Balaenoptera, genus Balaenoptera

Encyclopedia: Balaenoptera musculus