/joy"neuhr/ , n.
1. a person or thing that joins.
2. a carpenter, esp. one who constructs doors, window sashes, paneling, and other permanent woodwork.
3. 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.
[ 1350-1400; JOIN + -ER 1 ; r. ME joinour joignour, equiv. to joign- (see JOIN) + -our -OR 2 ]