肘ひじ掛かけ椅い子す

noun

armchair; chair with armrests

Standard word for a chair with armrests.

• 父ちちは肘ひじ掛かけ椅い子すに座すわって新しん聞ぶんを読よんでいる。

  My father is sitting in an armchair reading the newspaper.

noun

senior staff; veteran employee

Metaphorical use likening a senior employee to a comfortable armchair; somewhat colloquial and not extremely common.

• 彼かれは会かい社しゃの肘ひじ掛かけ椅い子すで、もう何なん年ねんも重じゅう要ような決けっ定ていに関かかわっている。

  He is a senior staff member at the company and has been involved in important decisions for years.