sea dog

from WordNet (r) 3.0 (2006)
sea dog
    n 1: a man who serves as a sailor [syn: {mariner}, {seaman},
         {tar}, {Jack-tar}, {Jack}, {old salt}, {seafarer}, {gob},
         {sea dog}]
    
from The Collaborative International Dictionary of English v.0.48
Sea dog \Sea" dog`\
   1. (Zool.) The dogfish.
      (b) The common seal.
          [1913 Webster]

   2. An old sailor; a salt. [Colloq.]
      [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Seal \Seal\ (s[=e]l), n. [OE. sele, AS. seolh; akin to OHG.
   selah, Dan. sael, Sw. sj[aum]l, Icel. selr.] (Zool.)
   Any aquatic carnivorous mammal of the families {Phocidae} and
   {Otariidae}.
   [1913 Webster]

   Note: Seals inhabit seacoasts, and are found principally in
         the higher latitudes of both hemispheres. There are
         numerous species, bearing such popular names as {sea
         lion}, {sea leopard}, {sea bear}, or {ursine seal},
         {fur seal}, and {sea elephant}. The bearded seal
         ({Erignathus barbatus}), the hooded seal ({Cystophora
         cristata}), and the ringed seal ({Phoca foetida}), are
         northern species. See also {Eared seal}, {Harp seal},
         {Monk seal}, and {Fur seal}, under {Eared}, {Harp},
         {Monk}, and {Fur}. Seals are much hunted for their
         skins and fur, and also for their oil, which in some
         species is very abundant.
         [1913 Webster]

   {Harbor seal} (Zool.), the common seal ({Phoca vitulina}). It
      inhabits both the North Atlantic and the North Pacific
      Ocean, and often ascends rivers; -- called also {marbled
      seal}, {native seal}, {river seal}, {bay seal}, {land
      seal}, {sea calf}, {sea cat}, {sea dog}, {dotard},
      {ranger}, {selchie}, {tangfish}.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
47 Moby Thesaurus words for "sea dog":
      AB, Ancient Mariner, Argonaut, Dylan, Flying Dutchman, Neptune, OD,
      Poseidon, Varuna, able seaman, able-bodied seaman, bluejacket,
      buccaneer, corsair, deep-sea man, fair-weather sailor, fisherman,
      freebooter, hearty, jack, jack afloat, jack-tar, jacky, limey,
      lobsterman, mariner, matelot, navigator, picaroon, pirate,
      privateer, rover, sailor, salt, sea robber, sea rover, sea wolf,
      seafarer, seafaring man, seaman, shipman, tar, viking, water dog,
      whaler, windjammer, windsailor

    

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