The definition of a hammock is a canvas or rope bed that is hung between two trees or other supports.(noun)
A bed that is hung between two palm trees that you lounge in outside in your backyard or when you are on vacation is an example of a hammock.
See hammock in Webster's New World College Dictionary
Origin: Sp hamaca, of Arawakan orig.
Origin: var. of hummock
See hammock in American Heritage Dictionary 4
Origin: Spanish hamaca
Origin: , from Taino.
Learn more about hammock