交こう換かん台だい

noun

switchboard

Telephone switchboard; the physical equipment used to connect calls manually.

• 昔むかしのホテルには交こう換かん台だいがあった。

  Old hotels had a switchboard.

noun

switchboard operator

Colloquial metonymy; the person who operates the switchboard.

• 交こう換かん台だいに電でん話わをつないでもらった。

  I had the switchboard operator connect the call.