This mast held an iron stay upon which to hoist a jib–sail.
这条桅杆下面由几条铁索结结实实地绑着,上面有条铁支柱,用来支撑这面巨大的布帆。
英语百科
Jib
A jib is a triangular staysail that sets ahead of the foremast of a sailing vessel. Its tack is fixed to the bowsprit, to the bow, or to the deck between the bowsprit and the foremost mast. Jibs and spinnakers are the two main types of headsails on a modern boat.