1
- a low storey between two others in a building, typically between the ground and first floors夹楼, 夹层楼面（两层楼面间的楼面, 尤指一楼和二楼之间）。
1.1
- N. Amer. the lowest balcony of a theatre, cinema, stadium, etc., or the front rows of the balcony〈北美〉（戏院、电影院、体育馆等的）最底层楼厅; 最底层楼厅前座。
attrib.
- Finance relating to or denoting unsecured, higher-yielding loans that are subordinate to bank loans and secured loans but rank above equity【金融】夹层融资的（无抵押高利贷款, 介乎银行抵押贷款与抵押资产率值之间）。
词源
early 18th cent.: from French, from Italian mezzanino, diminutive of mezzano 'middle'， from Latin medianus 'median'.