fluke Meaning and Definition
1. n. parasitic flatworms having external suckers for attaching to a host
2. n. either of the two lobes of the tail of a cetacean
3. n. flat bladelike projection on the arm of an anchor
4. n. a barb on a harpoon or arrow
5. n. a stroke of luck
A fluke is a lucky or improbable occurrence, with the implication that the occurrence could not be repeated.
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