to meet e.g. for a discussion or social reason

gathering, conference

an edge, point of contact, shared between two things; an apparatus used to join two different computer parts

link, connection

(an instance of) joining or being joined

connection

a coming together of a number of people at a certain time and place, especially for discussion

gathering, conference

a shaped hole cut in a piece of wood to receive the end of another piece (the tenon)

link, connection