Ticket Counter, Clerk, Customer Service
Noun
まどぐち
窓口の仕事ではあったが、彼女はその面接をとてもうまくこなした。
She really aced the job interview even though it was just for a ticket window position.
A window mouth is where you go to buy tickets out of the window. You know how there's those windows with holes in them, or the window is the hole itself? That's the kind of ticket window I'm talking about.
The reading is the readings for 窓 and the reading for 口.