What does ばね mean?
ばね is a Japanese noun meaning “spring (e.g., coil, leaf)” in English. It can also be translated as “springboard” depending on context. It is written as ばね in hiragana, and bane in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
そのばね１個で車の全重量を支えている。
That one spring carries the whole weight of the car.