also: がんぎぐるま
noun
escape wheel
Technical term in horology: the toothed wheel that interacts with the pallet fork in a mechanical timepiece.
時計のガンギ車が摩耗すると精度が落ちる。
When the escape wheel of a watch wears out, accuracy decreases.
noun
Rare alternative meaning; in some contexts ガンギ車 can refer to a pulley, but this usage is uncommon and may be obsolete or dialectal.
古い文献では、ガンギ車が滑車の意味で使われることがある。
In old documents, ガンギ車 is sometimes used to mean a pulley.