seadog

plural seadogs

1. A sailor accustomed to the sea.

   The old seadog knew the storm was coming long before the rest of the crew were aware of it.

   1 more example

   The two admiral-ambassadors were themselves two worlds apart. Kirk, now deceased, remained very much a seadog in both speech and mannerism. He was curt and seldom smiled, while Wright, a bit hard of hearing, was always courteous.

   1983, James C. H. Shen, “Rejoining the Government”, in Robert Myers, editor, The U.S. & Free China: How the U.S. Sold Out Its Ally, Washington, D.C.: Acropolis Books Ltd., →ISBN, →LCCN, →OCLC, page 30

   Synonyms: old salt, salty dog, water dog

2. A pirate.
3. ScotlandarchaicA seal, especially a harbor seal. (marine mammal)
4. governmentA charge resembling the talbot but with scales, webbed feet and a broad tail.
5. informalSynonym of sea puppy.

   Sea Dogs (Otherwise known as Harbor Seals)

   2023 June 6, Gladu, Sarah, Coastal Rivers

   Synonyms: sea puppy

6. A dogfish.
7. uncommonAn omen of bad luck.
8. uncommonA white-topped wave in an estuary.
9. uncommonA fogbow, as seen by mariners.