General Definition:
1. The action of bringing two strip-like objects together, or any action or any thing directly or indirectly associated with this, such as splicing film together, joining streamers and, particularly, joining up the two ends of a belt.
As a Verb or Adjective:
1. To join up the two ends of a belt, strap, or some other similar device, so that the two ends are fixed to each other. English = fasten, buckle.