join

verb:to link or connect things together
- The carpenter will join the two pieces of wood with a strong adhesive.
verb:to combine forces, efforts, or ideas with others
- The two companies decided to join their research teams to develop a new drug.
verb:to become a member of a group or organization
- She decided to join the chess club to meet new people.
verb:to come into the company of someone; to meet or accompany
- I will join you for dinner after I finish my work.
noun:a point or line where two things are connected
- The join between the two sections of the pipe was seamless.