piken.[F. pique; perhaps of Celtic origin; cf. W. pig a prick, a point, beak, Arm. pik pick. But cf. also L. picus woodpecker (see Pie magpie), and E. spike. Cf. Pick, n. & v., Peak, Pique.]1. (Mil.) A foot soldier's weapon, consisting of a long wooden shaft or staff, with a pointed steel head. It is now superseded by the bayonet.()2. A pointed head or spike; esp., one in the center of a shield or target.(Beau. & Fl.)3. A hayfork.(Tusser.)4. A pick.(Wright. Raymond.)5. A pointed or peaked hill.()6. A large haycock.(Halliwell.)7. A turnpike; a toll bar.(Dickens.)sing. & pl.8. (Zol.) A large fresh-water fish (Esox lucius), found in Europe and America, highly valued as a food fish; -- called also pickerel, gedd, luce, and jack.()()Gar pike. See under Gar. -- Pike perch (Zol.), any fresh-water fish of the genus Stizostedion (formerly Lucioperca). See Wall-eye, and Sauger. -- Pike pole, a long pole with a pike in one end, used in directing floating logs. -- Pike whale (Zol.), a finback whale of the North Atlantic (Balnoptera rostrata), having an elongated snout; -- called also piked whale. -- Sand pike (Zol.), the lizard fish. -- Sea pike (Zol.), the garfish (a).()