武士刀 wǔshìdāo katana Origin Definitions Defs Strokes Stroke Words Sentences Sents 武士 wǔshì noun samurai or knight A professional warrior or member of a social class in feudal Japan (samurai) or medieval Europe (knight).刀 dāo noun knife knife; blade; single-edged sword; any tool used for cutting, slicing, or carving