Definition from Wiktionary, the free dictionary
See also: Flathead
flathead (plural flatheads)
- Any fish in the Platycephalidae family.
- A type of screw designed to fit in a countersink so that it sits flush with a surface.
- (automotive) A type of engine that has the valves placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine.
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