()とし(もの)

おとしもの
noun
lost item; dropped item
1. lost item; dropped item
an item that someone has accidentally lost or dropped
()とし(もの)(とど)ける。
To turn in a lost item.
(えき)()とし(もの)センターに()()わせる。
To inquire at the station's lost and found center.
()とし(もの)をした(おぼ)えはないのに、財布(さいふ)がない。
I don't remember dropping anything, but my wallet is missing.

RELATED TERMS:

  • 遺失物(いしつぶつ) - lost property (formal/legal term)
  • 忘れ物(わすれもの) - forgotten item (left behind, not dropped)
  • (ひろ)(もの) - found item

USAGE:
()とし(もの) specifically refers to items accidentally dropped, while 忘れ物(わすれもの) refers to items left behind or forgotten.

LOST AND FOUND:
In Japan, lost items have a high return rate. Items can be reported or collected at police boxes (交番(こうばん)) or dedicated ()とし(もの)センター at train stations.