() stamped addressed envelope, self-addressed envelope (used like a countable noun 用作可数名词) an envelope on which you have written your name and address and put a stamp so that sb else can use it to send sth to you （写上姓名、地址且贴有邮票的）回邮信封◆Please enclose an sae for your test results. 请附上回邮信封以便通知测试结果。➡SASE