clasp

Short definition from Wiktionary

Noun

1. 1
   A device with interlocking parts used for fastening things together, such as a fastener or a holder.
2. 2
   A bar or insignia on a medal ribbon, to either indicate an additional award of the medal, or the action or service for which it was awarded.
3. 3
   An embrace, a grasp, or handshake.

Verb

1. 1
   To take hold of; to grasp.
2. 2
   To shut or fasten together with, or as if with, a clasp.
3. 3
   To cling.