fluke8
n.
5ME floke < OE floc, akin to ON floki < IE base *plag3, broad, flat > FLAG2, Ger flach, flat, level6
1 any of various flatfishes, esp. a genus (Paralichthys) of flounders
2 TREMATODE

fluke2 7fl1k8
n.
5prob. < prec., with reference to shape6
1 a pointed part of an anchor, designed to catch in the ground
>2 a barb or barbed head of an arrow, harpoon, etc.
3 either of the two lobes of a whale‘s tail

fluke3 7fl1k8
n.
5<?6
1 [Old Slang] an accidentally good or lucky stroke in billiards, pool, etc.
2 [Colloq.] a result, esp. a successful one, brought about by accident; stroke of luck
vt.
fluked, fluk4ing [Colloq.] to hit or get by a fluke