flathead

noun4

1. •
   A type of screw or bolt designed to fit in a countersink so that it sits flush with a surface.
2. •
   (US, informal) Ellipsis of flathead catfish
3. •
   Any fish in the family Platycephalidae.
4. •
   Synonym of side valve.

noun1

1. •
   One of the Salish people of Washington state and British Columbia.