bluebottle

/ˈbluːˌbɑtəl/
noun
  1. A type of fly with a shiny blue body, often found near garbage or dead animals.
    • The bluebottle landed on the picnic table, and we shooed it away.
    • Bluebottles are common in summer near compost bins.
    • A bluebottle buzzed loudly against the window.
  2. A type of jellyfish with a blue, gas-filled float and long stinging tentacles, found in warm ocean waters.
    • The sting of a bluebottle can be very painful.
    • A bluebottle washed up on the sand, its tentacles still dangerous.
    • Swimmers were warned about bluebottles on the beach.
What does "bluebottle" mean? | whatsthatwordmean | whatsthatwordmean