Without a key; spec. (of a door, lock, means of entrance, etc.): not requiring or featuring a key; opened, unlocked, or accessed by means other than…
| 单词 | θ213061 | 
| 释义 | society > occupation and work > equipment > building and constructing equipment > fastenings > 			[adjective]		 > types of lock or door (4)		 keyless1781 Without a key; spec. (of a door, lock, means of entrance, etc.): not requiring or featuring a key; opened, unlocked, or accessed by means other than… keyed1836 Of a lock, door, etc.: operated or opened by means of a key or (with modifying word) a specified number of keys. Cf. key lock n. at key, n.1 adj.co… unlockable1854 That cannot be locked; unable to be fastened by a lock. pickproof1861 secure against being picked. | 
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