Engineering:Jetty

From HandWiki
Short description: Low bank or small wharf stretching from the shore into a water span
Coastal lagoons fronted by barrier spits typically have entrances that migrate over time. Here, the entrance has been fixed by jetty construction. Carlsbad, California, April 1998.
Aerial view of a jetty at Swakopmund, Namibia (2017)

A jetty is a structure that projects from land out into water. A jetty may serve as a breakwater, as a walkway, or both; or, in pairs, as a means of constricting a channel. The term derives from the French word jetée, "thrown", signifying something thrown out.[1]