- a person or thing that joins.
- a carpenter, especially one who constructs doors, window sashes, paneling, and other permanent woodwork.
- a person who belongs to many clubs, associations, societies, etc., often from indiscriminate enthusiasm, for increased status, to make business or social contacts, or the like.
- mainly British a person trained and skilled in making finished woodwork, such as windows, doors, and stairs
- a person or thing that joins
- informal a person who joins many clubs, causes, etc
early 14c. (late 12c. as a surname), joynour “maker of furniture, small boxes, etc.,” from Old French joigneor “joiner, carpenter,” agent noun from joindre “to join” (see join). A craftsman who did lighter and more ornamental work than a carpenter. Meaning “one who makes a habit of joining” (societies, clubs, etc.) is from 1890. Related: Joinery.