Translation guide
The English word "rack" has many distinct meanings. This guide covers the most common ones useful for learners: a frame for holding things, a shelf/luggage rack, a torture device, and the phrase "rack one's brains." Other meanings (e.g., a cut of meat, a gait) are rare or technical and omitted.
A framework, stand, or set of bars for holding, hanging, or displaying objects (e.g., wine rack, bike rack, coat rack).
The most common and versatile loanword. Used for many types of racks, especially in modern contexts.
ワインラックを買った。
I bought a wine rack.
スパイスラックが便利だ。
A spice rack is handy.
General word for shelf or rack. Often used in compounds or when the rack is shelf-like.
Used in compounds for hanging racks (e.g., coat rack, towel rack). Often combined with the item being hung.
コート掛けにコートを掛けた。
I hung my coat on the coat rack.
The shelf above seats in trains, buses, or airplanes for storing bags.
Specifically the overhead luggage rack in trains. Literally 'net shelf'.
荷物を網棚に置いた。
I put my luggage on the rack.
General term for luggage shelf/rack, used in various vehicles.
バスの荷物棚にバッグを載せた。
I placed my bag on the bus luggage rack.
A historical instrument of torture that stretches the body.
Direct translation: 'torture rack'. Used in historical contexts.
中世の拷問台は残酷だった。
The medieval rack was cruel.
The loanword is also understood in this context, especially in games or fantasy.
そのゲームにはラックが登場する。
A rack appears in that game.
To think very hard or struggle to remember something.
Literally 'to wring one's head'. The most common equivalent.
いいアイデアを出そうと頭を絞った。
I racked my brains to come up with a good idea.
Literally 'to wring one's wisdom'. Similar nuance, often for problem-solving.
みんなで知恵を絞って解決策を考えた。
We all racked our brains to think of a solution.
Means 'to think through thoroughly'. Less vivid but conveys deep thinking.
The English 'rack' as in 'I racked my knee' (to injure) has no direct Japanese equivalent. Use 膝を痛めた (I hurt my knee) or similar.
膝を痛めた。
I racked my knee.
ラック is a loanword and feels modern, often used for metal/wire racks or specific products (ワインラック, スパイスラック). 棚 is a native Japanese word for any shelf or rack, more traditional and broader. Use ラック for modern, specialized racks; 棚 for general shelves or when unsure.
彼は一晩中考え抜いた。
He racked his brains all night.