Bluebottle (noun)

1. A type of fly with a blue-green iridescent body that is often seen in the summer.
2. A species of blowfly, Calliphora vicina, having a blue-green or green metallic body and found in many parts of the world.
3. A glass bottle with a blue tint or color.

Origin:

Mid 19th century: from its blue, bottle-shaped body.

Examples:

1. The bluebottle was buzzing around the rubbish bin, attracted by the smell of decaying food.
2. The bluebottles were a common sight during the hot summer months, their iridescent bodies shining in the sunlight.
3. The bluebottle fly is often found near carrion, feeding on the decaying flesh.
4. The scientist used a bluebottle as a model organism for his research into insect behavior.
5. The antique collector prized the bluebottle for its delicate blue tint and elegant shape.