bluebottle

Short definition from Wiktionary

Noun

1. 1
   Any of various blowflies of the genus Calliphora that have an iridescent metallic-blue body and make a loud buzzing noise when flying.
2. 2
   A marine jellyfish of the genus Physalia, which includes Physalia physalis, the Portuguese man-of-war, and Physalia utriculus, the Pacific man-of-war; a man-of-war.
3. 3
   A cornflower, a plant that grows in grain fields, Centaurea cyanus, with blue flowers resembling bottles.
4. 4
   A blue ant, Diamma bicolor, a parasitic wasp native to Australia.
5. 5
   Any of various large papilionid butterflies of the genus Graphium, also called triangles, etc.
6. 6
   A police officer.
7. 7
   A bluestocking.