Dover Breakwater Small 309×320 Medium 617×640 Large 987×1024 Download Tiff Original 2314×2400 | (1.0 MB) Description Breakwaters are structures on coasts as part of coastal defense or to protect an anchorage from the effects of weather and longshore drift. Keywords coastal management Galleries Marine Architecture Source: The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)IV: 480