saltie

noun3

1. •
   (Australia, informal) A saltwater crocodile.

   • It is feared by those who live near it. For its part, the saltie fears nothing — except a larger crocodile. — 2010
2. •
   (US, Canada) An ocean-going ship that enters the Great Lakes via the St. Lawrence Seaway.
3. •
   The saltwater fluke or dab.