ham·mock /ˈhæmək/
  吊床,小丘
  Ham·mock n.
  1. A swinging couch or bed, usually made of netting or canvas about six feet long and three feet wide, suspended by clews or cords at the ends.
  2. A piece of land thickly wooded, and usually covered with bushes and vines. Used also adjectively; as, hammock land. [Southern U. S.]
  Hammock nettings Naut., formerly, nets for stowing hammocks; now, more often, wooden boxes or a trough on the rail, used for that purpose.
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  hammock
       n 1: a small natural hill [syn: knoll, mound, hillock, hummock]
       2: a hanging bed of canvas or rope netting (usually suspended
          between two trees); swing easily [syn: sack]