Alternative term: Groin
A structure extending into the sea from a beach or bank, designed to prevent littoral drift.
Note: The French term epi and the German term Buhne are also used for structures extending into rivers or estuaries, designed to restrict the cross-sectional area of the water flow.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM