a platform that is built on the upstairs outside wall of a building, with a wall or rail around it. You can get out onto a balcony from an upstairs room. 陽台 
We had drinks on the hotel balcony. 我們在旅館的陽台上喝了幾杯。
an area of seats upstairs in a theatre （劇院的）樓廳，樓座
Word Originearly 17th cent.: from Italian balcone, probably ultimately of Germanic origin.