groynes Definition

jetty, breakwater, seawall, bulwark, mole, groin, cobs, ears, heads, husks, spikes, spurs, stems, constructed, placed, built, protected, erected, existing, spaced, constructing, low, wooden, high, concrete, short, long, permeable, additional, construction, walls, breakwaters, number, side, series, jetties, use, seawalls, system, structures, top, length, revetments, abutments, blocks, bridges, buildings, buttresses, cuts, dams, embankments, frames, piers, piles, pilings, sluices, spur, stacks, struts, swings, uprights, warehouses,