a sailor (slang)a dog at sea (slang)pinnipeds (seals), as in:a member of the Portland Sea Dogs baseball teama member of the Saint John Sea Dogs hockey teamSea Dog Brewing Company, a manufacturer of beer and a chain of restaurants"Seadog", an episode from the first season of the American television drama series NCISa supporter of the defunct Scarborough F.C. or phoenix club Scarborough Athletic F.C.a mariner's term for a fog bow, an optical phenomenonthe mascot for the Tampa Bay Raysan antiquated term for a sharkSea Dog, a pseudonym used at one point in Wong Sun v. United States, 371 U.S. 471 (1963)Seadog 30 originally a shallow long keel yacht with twin bilge keels that contain within them the water tanks (a later deeper longkeel design was made) - designed by Reg Freeman in the 1960's to be made in GRP reference
