Online Google Dictionary

backseat 中文解釋 wordnet sense Collocation Usage Collins Definition
  1. a secondary or inferior position or status; "tennis has had to take a backseat while his work is so demanding"
  2. a seat at the back of a vehicle (especially the seat at the back of an automobile)
  3. (BACKSEATS) of land, backsets, subleases.
  4. An air conditioning term which means to rotate a service valve counterclockwise all the way down until the valve is back-seated. ...