ガンギ車ぐるま

noun

escape wheel

Technical term in horology: the toothed wheel that interacts with the pallet fork in a mechanical timepiece.

• 時計とけいのガンギ車ぐるまが摩ま耗もうすると精せい度どが落おちる。

  When the escape wheel of a watch wears out, accuracy decreases.

noun

pulley

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.

• 古ふるい文ぶん献けんでは、ガンギ車ぐるまが滑かっ車しゃの意い味みで使つかわれることがある。

  In old documents, ガンギ車 is sometimes used to mean a pulley.