from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various seals or similar marine mammals.
  • n. Nautical A very experienced sailor.
  • n. See fogbow.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of seadog.

from the GNU version of the Collaborative International Dictionary of English

  • The dogfish.
  • The common seal.
  • An old sailor; a salt.

from The Century Dictionary and Cyclopedia

  • n. The harbor-seal, Phoca vitulina; the sea-calf; also (in California), one of the eared seals, Zalophus californianus. See cuts under Phoca and Zalophus.
  • n. The dog-fish, Squalus acanthias, a kind of shark.
  • n. A sailor who has been long afloat; an old sailor.
  • n. A pirate; a privateer.
  • n. In heraldry, a bearing representing a beast nearly like a talbot or alan, but with the addition of a tail like that of a triton, and sometimes with a sort of serrated fin along the back, continued down the tail. The body is covered with scales.
  • n. In meteorology, the solar halo seen in the mist and fog near the surface of the sea opposite the sun.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a man who serves as a sailor


Sorry, no etymologies found.


    Sorry, no example sentences found.


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  • Robert Louis Stevenson's Treasure Island opens with the chapter “The Old Sea-Dog at the Admiral Benbow�? and provides a lengthy description of the main character, Long John Silver, who was indeed an experienced sailor, though hardly a model citizen.

    July 27, 2009