外がい輪りん

noun

outer ring; external ring

General term for the outermost ring-shaped part of an object, such as a bearing, gear, or mechanical assembly.

• ベアリングの外がい輪りんが摩ま耗もうしている。

  The outer ring of the bearing is worn.

noun

rim (of a wheel); paddle wheel

Only with reading がいりん

Specifically the rim of a wheel; also used for a paddle wheel (外車) in some contexts. The paddle wheel sense is less common and may be encountered in historical or mechanical descriptions.

• 自じ転てん車しゃの外がい輪りんがパンクした。

  The bicycle's rim got a flat.

• 外がい輪りん船せんは外がい輪りんで水みずをかいて進すすむ。

  A paddle steamer moves by paddling water with its paddle wheels.

noun

out-toe walking; duck-footed walking

Only with reading そとわ

Walking with the feet turned outward; opposite of 内輪 (うちわ). This reading そとわ is rare and mainly used in medical or anatomical contexts.

See also: 内輪 (うちわ)

• そとわ歩ほ行こうは、つま先さきが外そと側がわを向むく歩あるき方かたです。

  Out-toe walking is a gait where the toes point outward.