1. (

• good_luck ,
• fluke ,
• good_fortune

) a stroke of luck ;

2. (

• fluke ,

) a barb on a harpoon or arrow ;

3. (

• fluke ,
• flue ,

) flat bladelike projection on the arm of an anchor ;

4. (

• fluke ,

) either of the two lobes of the tail of a cetacean ;

5. (

• fluke ,
• trematode ,
• trematode_worm

) parasitic flatworms having external suckers for attaching to a host ;