闷子车 mènzichē boxcar Definitions Defs Origin Strokes Stroke Words Sentences Sents 闷 悶 mèn airtight sealed; airtight; closed up (of a vehicle or container)子 zi affix noun suffix [suffix] used to form nouns from noun, verb, or adjective roots车 車 chē noun vehicle wheeled land vehicle; car; bicycle; bus; traffic