Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any fish in the Platycephalidae family
  • noun a type of screw designed to fit in a countersink so that it sits flush with a surface
  • noun 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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

flat +‎ -head

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