[1] : The Collaborative International Dictionary of English v.0.48

seafarer \sea"far`er\, n. sea + fare.
   one who follows the sea as a business; a mariner; a sailor.
   1913 webster

[2] : WordNet (r) 2.0

seafarer
     n : a man who serves as a sailor syn: mariner, seaman, tar,
          jack-tar, jack, old salt, gob, sea dog
see also:
mariner seaman tar jack-tar jack old salt 
gob sea dog 

[3] : Moby Thesaurus II by Grady Ward, 1.0

41 moby thesaurus words for "seafarer":
   ab, ancient mariner, argonaut, dylan, flying dutchman, neptune, od,
   poseidon, varuna, able seaman, able-bodied seaman, bluejacket,
   buccaneer, deep-sea man, fair-weather sailor, fisherman, hearty,
   jack, jack afloat, jack-tar, jacky, limey, lobsterman, mariner,
   matelot, navigator, pirate, privateer, sailor, salt, sea dog,
   sea rover, seafaring man, seaman, shipman, tar, viking, water dog,
   whaler, windjammer, windsailor

Seafarer >> S Words
Seafarer, definition of term: Seafarer
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