doorjamb

1. Keeping the needs of an iPod user in mind, Jordan later added a patented system to keep wires from dangling off clothing and getting tangled in a doorjamb or other device.
   乔丹一直记着iPod用户的需求，之后又增加了一项专利系统，避免各种数据线在衣服外面晃荡，或者和门柱、其他设备缠绕在一起。
2. If you stand under a doorway and the doorjamb falls forward or backward you will be crushed by the ceiling above.
   如果你站在门的下面，门框向前倒或向后倒，你会被头上的天花板砸死。
3. She kept one hand on the doorjamb; the other reached for a small box on the wall.
   她一边说一边身子往后倾斜，一手扶着门框，一手伸向墙上的一个小盒子。

noun

1. a jamb for a door

   Synonym:    doorpost