flathead

noun

1. Any fish in the family Platycephalidae.

2. plural only "flatheads"A type of screw or bolt designed to fit in a countersink so that it sits flush with a surface.

3. plural only "flatheads"automotiveA 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.

4. Food fish of the Indonesian region of the Pacific; resembles gurnardsanimal

5. Pallid bottom-dwelling flat-headed fish with large eyes and a duck-like snoutanimal

Alternative form of flathead catfish