To secure something with a lock.

ताला लगाना

English Usage: Please remember to lock the door when you leave.

Hindi Usage: कृपया याद रखें जब आप जाएं तो दरवाजा ताला लगाना।

The act of securing something, typically a door or container, with a lock.

ताला लगाना

English Usage: The locking of the door was essential for security.

Hindi Usage: दरवाजे का ताला लगाना सुरक्षा के लिए अत्यंत आवश्यक था।