FLUKE

Source: 566, 567

fluke. Fluke, n. the broad part of an anchor, a flounder

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Fluke (flūk), n. [[Cf. AS. flōc a kind of flatfish, Icel. flōki a kind of halibut.]] 1. 1. (Zoöl.) The European flounder. See Flounder. [Written also fleuk, flook, and flowk].
2. 2. (Zoöl.) A parasitic trematode worm of several species, having a flat, lanceolate body and two suckers. Two species (Fasciola hepatica and Distoma lanceolatum) are found in the livers of sheep, and produce the disease called rot.