- Breakwater - Pier - Made of jet, or like jet in color. - A part of a building that jets or projects beyond the rest,
and overhangs the wall below. - A wharf or pier extending from the shore. - 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. - To jut out; to project.