[ham.mock] n [Sp hamaca, fr. Taino] (1555): a swinging couch or bed usu. made of netting or canvas and slung by cords from supports at each end
[2]hammock n [origin unknown] (1555) 1: hummock
2: a fertile area in the southern U.S. and esp. Florida that is usu. higher than its surroundings and that is characterized by hardwood vegetation and deep humus-rich soil