Senshi

Senshi is a Japanese term that means "soldier" or "warrior". In the case of Sailor Moon, the word senshi, as in sailor senshi or Bishoujo Senshi Sailor Moon, is a canon term that takes on this meaning, but could also be translated in different ways; sailor senshi = sailor soldier, sailor scout, sailor warrior...

Bishoujo Senshi = Pretty Soldier, Beautiful Soldier, Pretty Guardian...