elevator
/ˈelɪveɪtə(r)/noun
1
- a machine consisting of an endless belt with scoops attached, used typically for raising grain to be stored in an upper storey（尤用于将谷物运至高层以储存的）升降机, 起卸机：
a grain elevator.
一台谷物起卸机。
1.1
- N. Amer. a tall building used for storing large quantities of grain〈北美〉谷物仓库。
2
- a hinged flap on the tailplane of an aircraft, typically one of a pair, used to control the motion of the aircraft about its lateral axis（飞机的）升降舵。
3
- a muscle whose contraction raises a part of the body（上）提肌：
elevators of the upper lip.
上唇提肌。
4
- （亦作elevator shoe）trademark a shoe with a raised insole designed to make the wearer appear taller〈商标〉（内底加厚可使穿者显得较高的）增高鞋。
词源
mid 17th cent. (denoting a levator muscle)： modern Latin, from Latin elevare 'raise'; in later use directly from ELEVATE.