ˈperəˌzōn noun
Etymology: Latin pere sus (past participle of peredere to eat up, consume, waste away, from per-, prefix denoting completion + edere to eat) + English zone — more at eat
: the zone of deposition along low coastal lands lying chiefly between low tide and land undergoing active erosion and including lagoons and brackish-water bays with the accumulated sediments being usually nonfossiliferous but sometimes containing terrestrial or brackish water forms