piton
/ˈpiːtɒn/noun
1- a peg or spike driven into a rock or crack to support a climber or a rope登山锥, 登山钉。
1.1
the Pitons
two conical mountains in St Lucia in the Caribbean. Reaching a height of 798m (2,618ft) and 750 m (2,461 ft), they rise up out of the sea just off the SW coast of the island.皮顿山（加勒比海圣卢西亚岛的两座圆锥形山峰, 海拔分别为798米, 即2,618英尺, 和750米, 即2,461英尺, 位于该岛西南近海之中）。
词源
late 19th cent.: from French， literally 'eye bolt'.