noun
dragonfly (as a symbol of victory)
Refers to the dragonfly as a lucky charm or motif associated with victory, because it only flies forward and never retreats. Often used in samurai culture and on traditional items.
See also: トンボ
兜の前立てに勝ち虫の飾りがついている。
The helmet crest has a dragonfly decoration as a symbol of victory.
勝ち虫は縁起物として刀の鍔にも彫られた。
The dragonfly was also carved on sword guards as a good-luck charm.