The conclusion or final event in a series

A mechanical device that stores energy, often used in toys

कुंडली

English Usage: The toy has a simple windup mechanism that works with a key.

Hindi Usage: खिलौने में एक साधारण कुंडली तंत्र है जो चाबी से काम करता है।

To bring to a conclusion or to finish

To wind something tightly

कसना

English Usage: Please wind up the string before putting it away.

Hindi Usage: कृपया इसे संभालने से पहले डोरी को कस दें।