通つう用よう口ぐち

noun

side entrance; service entrance; staff entrance

Refers to a secondary entrance used by staff, deliveries, or tradespeople, as opposed to the main customer entrance.

• 配はい達たつの人ひとは通つう用よう口ぐちから入はいってください。

  Delivery people, please enter through the service entrance.

• このビルには正しょう面めん玄げん関かんのほかに通つう用よう口ぐちがある。

  This building has a side entrance in addition to the main entrance.