from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Nautical A very experienced sailor.
  • noun A seal or a similar marine mammal.

from The Century Dictionary.

  • noun The harbor-seal, Phoca vitulina; the sea-calf; also (in California), one of the eared seals, Zalophus californianus. See cuts under Phoca and Zalophus.
  • noun The dog-fish, Squalus acanthias, a kind of shark.
  • noun A sailor who has been long afloat; an old sailor.
  • noun A pirate; a privateer.
  • noun 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.
  • noun In meteorology, the solar halo seen in the mist and fog near the surface of the sea opposite the sun.

from the GNU version of the Collaborative International Dictionary of English.

  • (Zoöl.) The dogfish.
  • The common seal.
  • colloq. An old sailor; a salt.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Alternative spelling of seadog.

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

  • noun 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