the named port of shipment

基本解释

The buyer must contract at his own expense for the carriage of the goods from the named port of shipment.
买方必须自付费用订立自指定的装运港运输货物的合同。
chinafanyi.com
FOB(Free On Board):means that the seller delivers when the goods pass the ship's rail at the named port of shipment.
指定装运港，交货点和风险划分点以装运港船舷为界限。
blog.sina.com.cn
"Free on Board" means that the seller delivers the goods on board the vessel nominated by the buyer at the named port of shipment or procures the goods already so delivered.
是指当卖方在指定的装运港将货物运至买方指定的船上或取得已按此送交的货物，即完成交货。