joint
noun
1.
(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
2.
a disreputable place of entertainment
3.
the shape or manner in which things come together and a connection is made
Derived from:
joint 4.
a piece of meat roasted or for roasting and of a size for slicing into more than one portion
6.
marijuana leaves rolled into a cigarette for smoking