Meaning of door opener

door' o"pener

Pronunciation: [key]
  1. a mechanism that automatically opens a door, as of a garage, when actuated by a radio transmitter, electric eye, or other device.
  2. something that is effective in leading to opportunity or success: Sales experience can be a door opener for young executives.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.