カートン

• IPA^(key): [ka̠ːtõ̞ɴ]

Borrowed from English carton.

カートン • (kāton) 

2. a carton, a box made of thick paper or cardboard
   • 2023 March 5, “Kāton hōsō no kōzō wa nan desu ka? [How is carton packaging organized?]”, in Bagasse packaging‎^[1], archived from the original on 26 November 2025:

     単(たん)層(そう)構(こう)造(ぞう)とは、カートンパッケージに段(ダン)ボールが 1 層(そう)しかないことを意(い)味(み)し、縦(たて)型(がた)カートン、横(よこ)型(がた)カートン、折(お)り畳(たた)みカートン、ウィンドウカートンの 4 種(しゅ)類(るい)があります。

     Tansō kōzō to wa, kāton pakkēji ni danbōru ga 1 sō shika nai koto o imi shi, tategata kāton, yokogata kāton, oritatami kāton, windō kāton no 4 shurui ga arimasu.

     A single-wall structure refers to a carton package with only one layer of cardboard, and it comes in four varieties: vertical carton, horizontal carton, folding carton, or window carton.

4. food packaging used for milk cartons, juice cartons, and similar consumer packaging

   Synonym: 紙パック (kami pakku)

   Hyponyms: ミルクカートン (miruku kāton), 牛乳パック (gyūnyū pakku)

5. a cigarette carton (a paper box containing a fixed number of cigarette packs, usually ten)

   タバコのカートン買(か)い

   tabako no kāton kai

   buying cigarettes by the carton

6. (Can we verify⁽⁺⁾ this sense?) (logistics, manufacturing) industrial packaging carton units for shipping
   • [2025 May 21, “Butsuryū genba de yoku tsukau tani 11 sen [11 common units used in logistics]”, in Logizard zero‎^[2], archived from the original on 18 July 2025:

     ボールとは、バラ（ピース）が複数入(ふくすうはい)ったまとまりを表(あらわ)す単位(たんい)です。ボールは、「インナーカートン」「中箱(なかばこ)」とも呼(よ)ばれます。ちなみにカートンは「C/T」と表記(ひょうき)されます。 […] ケースとは、ボールが複数入(ふくすうはい)ったまとまりを表(あらわ)す単位(たんい)です。ケースは、「C/S」と表記(ひょうき)され、「アウターカートン」「アウトカートン」「外箱(そとばこ)」とも呼(よ)ばれます。

     Bōru to wa, bara (pīsu) ga fukusū haitta matomari o arawasu tan'i desu. Bōru wa, “innā kāton” “nakabako” to mo yobaremasu. Chinami ni kāton wa “C/T” to hyōki saremasu. […] kēsu to wa, bōru ga fukusū haitta matomari o arawasu tan'i desu. Kēsu wa, “C/S” to hyōki sare, “autā kāton” “auto kāton” “sotobako” to mo yobaremasu.

     A board is a unit that contains some number of separates (pieces). A board is also called an "inner carton" or "inside box". The abbreviation for carton is "c/t". […] A case is a unit containing some number of boards. Case is abbreviated "c/s", and is also called "outer carton", "out carton", or "outside box".]

8. a coin tray, a small tray used to temporarily hold coins or sometimes banknotes, as when giving change in a shop

• 段(だん)ボール (danbōru) is the common word for “cardboard box.”
• カートン is more often used in industrial, commercial, or packaging contexts (e.g. cigarette cartons, packaging boxes, shipping units).

• ケース (kēsu, “case”)
• 化粧箱(けしょうばこ) (keshōbako, “decorative box”)