潜艇堡 qiántǐngbǎo submarine sandwich Origin Definitions Defs Strokes Stroke Words Sentences Sents 潜艇 潛艇 qiántǐng noun submarine A ship designed to operate underwater for military, scientific, or engineering purposes. Also called a 潜水艇 qiánshuǐtǐng.堡 bǎo nounproper noun fortress (bound form) fort; fortress; castle; also used to transliterate names ending in -burg or -berg, or as an abbreviation for 汉堡 hànbǎo