1. a signpost; a guidepost
    • 道標に従って進む
    • follow the signposts
    • 道標を立てる
    • set up a guidepost [signpost]
  1. I〔道路標識〕a road sign ⇒どうひょう(道標)
  1. II〔手引き〕a guide
    • 彼の研究は後進のよき道しるべとなった
    • His research served as a useful guide for his successors.