The act by which something is locked.
"The locking mechanism engaged smoothly as I turned the key to secure the door."
In plain English: Locking is when two things are fastened together so they cannot be moved apart easily.
"The locking mechanism on this suitcase is very sturdy and hard to break."
present participle of lock
"The locking mechanism on the heavy steel door engaged smoothly as I turned the key."
In plain English: To lock something means to secure it so that no one can open it without a key or special code.
"He is locking his front door before going out for the evening."
A village on the outskirts of Weston-super-Mare. Somerset, England
"Many visitors to Locking enjoy its proximity to Weston-super-Mare and the nearby beaches in Somerset."
Locking is formed by adding the suffix -ing to the verb lock. This construction simply indicates the action or process of securing something with a lock.