航郵 hángyóu airmail Definitions Defs Origin Strokes Stroke Words Sentences Sents 航 háng noun abbreviation of 航空 hángkōng aviation the operation of aircraft; travel or transport by air through the atmosphere邮 郵 yóu abbreviation of 邮递 郵遞 yóudì to send by post To mail or deliver letters and packages through the post office.