Bluebottle

Bluebottle or blue bottle can mean:

• Blow-flies (Calliphoridae) of genus Calliphora and similar species from other genera
  • Specifically, the blue bottle fly Calliphora vomitoria
• The Portuguese man o' war (Physalia utriculus), stinging marine siphonophores resembling jellyfish and known as bluebottles in Australia, South Africa and New Zealand
• Blue ant, a species of large solitary parasitic wasp
• Centaurea cyanus, the cornflower
• Graphium sarpedon, common bluebottle, or blue triangle butterfly

• Blue bottle (chemical reaction)
• The Blue Bottle Coffee House, Vienna, founded in 1686
• Blue Bottle Coffee, roaster based in Oakland, California, US
• Bluebottle (character), in The Goon Show
• Bluebottle OS, computer operating system
• Fizzy Blue Bottles, a type of sour sweets
• A slang term for a police officer