A device used to disrupt or interfere with signal transmission.

A person or thing that jams or blocks something.

कुछ रोकने वाला व्यक्ति या चीज

English Usage: The crowd was such a jammer at the concert that it was hard to move.

Hindi Usage: भीड़concert में इतनी जाम करने वाली थी कि आगे बढ़ना मुश्किल हो गया।