Meaning of UNION in English

UNION

( n. )

A joint or other connection uniting parts of machinery, or the like, as the elastic pipe of a tender connecting it with the feed pipe of a locomotive engine; especially, a pipe fitting for connecting pipes, or pipes and fittings, in such a way as to facilitate disconnection.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.