太刀 (たち)long sword (esp. the tachi, worn on the hip edge down by samurai); large sword; straight single-edged Japanese sword (from the mid-Heian period or earlier)

long sword (esp. the tachi, worn on the hip edge down by samurai); large swordnoun (common) (futsuumeishi)
straight single-edged Japanese sword (from the mid-Heian period or earlier)noun (common) (futsuumeishi)
guandao; Chinese glaivenoun (common) (futsuumeishi)

太刀, its kanji, and other words that share them.Open this graph

Kanji in 太刀

太平洋たいへいようPacific Ocean
太陽たいようsun
皇太子こうたいしcrown prince
太平洋戦争たいへいようせんそうPacific War (1941-1945)
太鼓たいこdrum
太陽電池たいようでんちsolar cell
丸太まるたlog
太っ腹ふとっぱらgenerous; magnanimous
刀かたなsword (esp. Japanese single-edged); katana
一刀いっとうsword; blade
一刀両断いっとうりょうだんcutting in two with a single stroke
刀剣とうけんsword; dagger
剃刀かみそりrazor
単刀直入たんとうちょくにゅうstraight to the point; point-blank
執刀しっとうperforming a surgical operation
大刀たちlong sword (esp. the tachi, worn on the hip edge down by samurai); large sword

See how 太刀 connects to the rest of Japanese.