buttress
131groin — Synonyms and related words: V, abutment, anchorage, anchorage ground, arc boutant, arch dam, backstop, bamboo curtain, bank, bar, barrage, barrier, basin, beam, bear trap dam, beaver dam, berth, boom, branch, breakwater, breastwork, brick wall,… …
132jetty — Synonyms and related words: abutment, anchorage, anchorage ground, arc boutant, arch dam, backstop, bamboo curtain, bank, bar, barrage, barrier, basin, beam, bear trap dam, beaver dam, berth, black, boom, breakwater, breastwork, brick wall,… …
