Definition of jetty

Definition of jetty
  1. jetty Noun A part of a building that jets or projects beyond the rest, and overhangs the wall below.
  2. jetty Noun A wharf or pier extending from the shore.
  3. jetty Noun (Hydraulic engineering): A structure of wood or stone extended into the sea to influence the current or tide, or to protect a harbor; a mole; as, the Eads system of jetties at the mouth of the Mississippi River.
  4. jetty Verb To jut out; to project.
  5. jetty Adjective Made of jet, or like jet in color.
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