the area of a computer’s memory where email messages are stored 电子邮箱,信箱区(计算机的电邮存储区) - (North American English) (British English letter box)
a small box near the main door of a building or by the road, which mail is delivered to (建筑物大门口或路旁的)信箱 Topics Houses and homesc1 - (North American English) (British English postbox, letter box)
a public box, for example in the street, that you put letters into when you send them 邮筒;邮箱