fasten
/ˈfɑːsn ˈफ़ास्न्/ verb 1 [I, T] fasten (something) (up) to close or join the two parts of something; to become closed or joined किसी वस्तु के दो भागों को बाँधना या बंद करना; बँध जाना या बंद हो जाना
Please fasten your seat belts.
Fasten your coat up—it’s cold outside.
My dress fastens at the back.