- the part of an anchor that catches in the ground, especially the flat triangular piece at the end of each arm.
- a barb, or the barbed head, of a harpoon, spear, arrow, or the like.
- either half of the triangular tail of a whale.
- an accidental advantage; stroke of good luck: He got the job by a fluke.
- an accident or chance happening.
- an accidentally successful stroke, as in billiards.
- any of several American flounders of the genus Paralichthys, especially P. dentatus, found in the Atlantic Ocean.
- any of various other flatfishes.
- a trematode.
- a flat bladelike projection at the end of the arm of an anchor
- either of the two lobes of the tail of a whale or related animal
- the barb or barbed head of a harpoon, arrow, etc
- an accidental stroke of luck
- any chance happening
- to gain, make, or hit by a fluke
- any parasitic flatworm, such as the blood fluke and liver fluke, of the classes Monogenea and Digenea (formerly united in a single class Trematoda)
- another name for flounder 2 (def. 1)
