Definition of "buttweld"

buttweld

verb
third-person singular simple present buttwelds, present participle buttwelding, simple past and past participle buttwelded
1. To weld by gradually heating the two ends with a weld plate and then joining them under a specific pressure, used to connect parts which are nearly parallel and do not overlap.
noun
plural buttwelds
1. The junction formed by this kind of welding.