Billfish

What does BILLFISH mean?

1. noun

   primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth

2. noun

   giant warm-water game fish having a prolonged and rounded toothless upper jaw

3. noun

   slender long-beaked fish of temperate Atlantic waters

4. noun

   elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters

Definitions from WordNet 3.1, Princeton University.