Fluke \Fluke\, v. t. & i. [imp. & p. p. Fluked; p. pr. & vb. n. Fluking.]

To get or score by a fluke; as, to fluke a play in billiards. [Slang]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fluke \Fluke\ (fl[=u]k), n. [Cf. AS. fl[=o]c a kind of flatfish, Icel. fl[=o]ki a kind of halibut.]

1. (Zo["o]l.) The European flounder. See Flounder. [Written also fleuk, flook, and flowk]. [1913 Webster]

2. (Zo["o]l.) 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. [1913 Webster]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fluke \Fluke\ (fl[=u]k), n. [Cf. LG. flunk, flunka wing, the palm of an anchor; perh. akin to E. fly.]

1. The part of an anchor which fastens in the ground; a flook. See Anchor.

2. (Zo["o]l.) One of the lobes of a whale's tail, so called from the resemblance to the fluke of an anchor.

3. An instrument for cleaning out a hole drilled in stone for blasting.

4. An accidental and favorable stroke at billiards (called a scratch in the United States); hence, any accidental or unexpected advantage; as, he won by a fluke. [Cant, Eng.]

--A. Trollope.

Source: Webster's Revised Unabridged Dictionary (1913)