a wall or platform built out into the sea, a river, etc., where boats can be tied and where people can get on and off boatsSee related entries:Coastlines and the sea,Travelling by boat or shipWord Originlate Middle English: from Old French jetee, feminine past participle of jeter ‘to throw’, based on Latin jactare, frequentative of jacere ‘to throw’.
See jetty in the Oxford Advanced American Dictionary
