To secure something with a lock.

To become secured or closed.

सुरक्षित या बंद हो जाना।

English Usage: The system will lock after three incorrect attempts.

Hindi Usage: सिस्टम तीन गलत प्रयासों के बाद लॉक हो जाएगा।

A mechanical device for securing something.

A fastening or closure.

एक बंद करने का तरीका या उपकरण।

English Usage: The lock on the door was broken.

Hindi Usage: दरवाजे पर ताला टूट गया था।