noun
electric lock; electronic lock
A lock that is operated electrically, often used in building entry systems, hotel rooms, or security doors.
このマンションの玄関には電気錠が付いています。
The entrance of this apartment building has an electric lock.
カードキーで電気錠を解錠する。
Unlock the electronic lock with a card key.
Often refers to an automatic locking system, commonly found in apartment buildings, which may or may not be electric.
Compound of 電気 (electricity) and 錠 (lock). The reading じょう for 錠 is the standard on'yomi.