from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A lock, as for a bank vault, containing a mechanism that prevents its being opened before a fixed time.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a lock, typically in on a door in a bank vault, that cannot be unlocked before a specified time
from the GNU version of the Collaborative International Dictionary of English
- n. a lock having clockwork attached, which, when wound up, prevents the bolt from being withdrawn when locked, until a certain interval of time has elapsed.
from The Century Dictionary and Cyclopedia
- n. See lock.
Sorry, no etymologies found.