| fluke | parasitic flatworms having external suckers for attaching to a host |
|---|---|
| fluke | either of the two lobes of the tail of a cetacean |
| fluke | flat blade-like projection on the arm of an anchor |
| fluke | a barb on a harpoon or arrow |
| fluke | a stroke of luck |
| fluke | (informal) subject to accident or chance or change |