详细解释:n. 峻峭的山顶, (登山用的)钢锥
英语解释：
名词 piton:
a metal spike with a hole for a rope; mountaineers drive it into ice or rock to use as a hold详细解释：
pi.ton
n.Sports （名词）【体育运动】 A metal spike fitted at one end with an eye for securing a rope and driven into rock or ice as a support in mountain climbing.钢锥：一头有眼可固定绳索的金属锥子，钉在岩石或冰中可助登山之用
来源：French 法语 from Old French [nail] 源自 古法语 [钉]