WordWeb Online

1. A stroke of luck
   - good luck, good fortune
    
2. A barb on a harpoon or arrow
    
3. Flat bladelike projection on the arm of an anchor
   - flue
    
4. Either of the two lobes of the tail of a cetacean
    
5. Parasitic flatworms having external suckers for attaching to a host
   - trematode, trematode worm

1. Achieve by good luck

Derived forms: fluked, flukes, fluking

Type of: barb, flatworm, fortune, luck, platyhelminth, projection, tail

Part of: anchor, blower, cetacean, cetacean mammal, class Trematoda, ground tackle, harpoon, Trematoda

Encyclopedia: Fluke, or, I Know Why the Winged Whale Sings