Jo·nah n. The Hebrew prophet, who was cast overboard as one who endangered the ship; hence, any person whose presence is unpropitious.
 Jonah crab Zool., a large crab (Cancer borealis) of the eastern coast of the United States, sometimes found between tides, but usually in deep water.

 ◄ ►


 Jonah crab
      n : large red deep-water crab of the eastern coast of North
          America [syn: Cancer borealis]