1. (noun)articulation, join, joint, juncture, junction the shape or manner in which thingscome together and a connection is made
2. (noun)union, sum, join a set containing all and only the members of two or moregiven sets
"let C be the union of the sets A and B"
3. (verb)join, fall in, get together become part of; become a member of a group or organization "He joined the Communist Party as a young man"
4. (verb)join, bring together cause to become joined or linked
"join these two parts so that they fit together"
5. (verb)join come into the company of
"She joined him for a drink"
6. (verb)join, conjoin makecontact or come together
"The two roads join here"
7. (verb)connect, link, link up, join, unite 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"