To obstruct or prevent access to something.

To stop something from continuing or happening.

रोकना

English Usage: The teacher had to block off any distractions during the exam.

Hindi Usage: शिक्षक को परीक्षा के दौरान कोई भी विकर्षण रोकना पड़ा।

A section of a street or an area surrounded by streets.

A group or a section of something.

टुकड़ा

English Usage: The artist carved a block of wood into a beautiful sculpture.

Hindi Usage: कलाकार ने लकड़ी के एक टुकड़े को एक सुंदर मूर्ति में काटा।