1. a large blue or green fly that makes a loud buzzing sound
2. a blue glass bottle
3. a marine animal with a blue, balloon-like float and long stinging tentacles
Usage: also called Portuguese man-of-war

Examples

• A bluebottle buzzed loudly around the kitchen window.
• The old bluebottle on the shelf contained vintage medicine.
• Swimmers were warned about bluebottles washed up on the beach.
• The bluebottle’s sting can be quite painful.
• She swatted at the persistent bluebottle with a newspaper.
• The antique shop displayed several cobalt bluebottles.
• Beachgoers should avoid touching any bluebottles they find in the sand.