join
noun.
the shape or manner in which things come together and a connection is made
noun.
a set containing all and only the members of two or more given sets
let C be the union of the sets A and B
Synonym: sum, union
verb.
become part of; become a member of a group or organization
He joined the Communist Party as a young man
verb.
cause to become joined or linked
join these two parts so that they fit together
verb.
come into the company of
She joined him for a drink
verb.
make contact or come together
The two roads join here
Synonym: conjoin
verb.
be or become joined or united or linked
The two streets connect to become a highway|Our paths joined|The travelers linked up again at the airport
Antonym: disjoin