How to say "carry-on" in Japanese

• 持ち込みもちこみCommon
  nounCovers bringing items from outside — notably carry-on luggage, but also food and drink you bring in yourself. Typical in airport, venue, and restaurant contexts, often in signs or announcements.
  イギリスに加くわえて、フランスもドイツからの廃棄物はいきぶつの持ち込もちこみを禁止きんししそうだ。↗

  Together with Britain, France may ban imports of waste from Germany.
• 機内持ち込みきないもちこみ
  no-adjectiveRefers specifically to carry-on luggage taken into an airplane cabin rather than checked. Use this at airports when distinguishing cabin bags from checked baggage; otherwise 持ち込み is usually sufficient.

Use 「持ち込み」 for bringing your own items such as food and drink, and for carry-on luggage; use 「機内持ち込み」 when you specifically mean luggage taken into an airplane cabin.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 持ち込みもちこみbring-your-own (e.g. food and drink)
• 機内持ち込みきないもちこみcarry-on (luggage)