What is the meaning of Welding?

present participle and gerund of weld

The action or process of welding:

  1. joining two materials (especially two metals) together by applying heat, pressure and filler, either separately or in any combination, or
  2. binding together inseparably; uniting closely or intimately.

joining two materials (especially two metals) together by applying heat, pressure and filler, either separately or in any combination, or

binding together inseparably; uniting closely or intimately.

Source: wiktionary.org