水筒(すいとう)

すいとう
noun
water bottle, canteen
1. water bottle, canteen, flask
A container for carrying drinking water or other beverages, typically portable.
遠足(えんそく)に水筒(すいとう)を持(も)っていく。
I'm bringing a water bottle on the field trip.
水筒(すいとう)に麦茶(むぎちゃ)を入(い)れた。
I put barley tea in the water bottle.
保温(ほおん)水筒(すいとう)なら、飲(の)み物(もの)が冷(さ)めにくい。
With an insulated bottle, drinks don't cool down easily.
保温水筒 = thermos, insulated water bottle
暑(あつ)い日(ひ)は水筒(すいとう)に冷(つめ)たい水(みず)を入(い)れて出(で)かける。
On hot days, I put cold water in my water bottle and go out.
子供(こども)が学校(がっこう)に持(も)っていく水筒(すいとう)を毎朝(まいあさ)洗(あら)って、お茶(ちゃ)を入(い)れてあげている。
Every morning, I wash the water bottle my child takes to school and fill it with tea.

水筒(すいとう) is the standard word for a reusable portable drinking container. The kanji literally mean 'water' (水(すい)) + 'cylinder' (筒(とう)). In Japan, bringing a 水筒(すいとう) is standard for school, work, and outings.

COMMON EXPRESSIONS:

  • 水筒(すいとう)を持(も)っていく (to bring a water bottle)
  • 水筒(すいとう)に入(い)れる (to put something in a water bottle)
  • 水筒(すいとう)を洗(あら)う (to wash a water bottle)

TYPES:

  • 保温(ほおん)水筒(すいとう): thermos, insulated bottle
  • 保冷(ほれい)水筒(すいとう): cold-keeping water bottle
  • マイ水筒(すいとう): one's own personal bottle (eco-conscious trend)

RELATED WORDS:

  • 魔法瓶(まほうびん): thermos (literally 'magic bottle')
  • ペットボトル: plastic bottle (disposable)
  • タンブラー: tumbler (often with lid)

Related Words

Related: 魔法瓶(まほうびん) (thermos)
core
Added 2026.1.14 7:31 · Revised 2026.4.3 17:11
04000/04299_suitou