gluing

Short definition from Wiktionary

Verb

1. 1
   present participle and gerund of glue

Noun

1. 1
   The act of attaching something with glue.
2. 2
   A connection between the edges of two planes, or between the points at the ends of two lines.
3. 3
   Any of various processes for producing some structure (e.g. a sheaf or scheme) by combining smaller structures that are in some way compatible with each other.