joiner

UK: /ˈdʒɔɪnə^r/ US: /ˈdʒɔɪnɚ/ ,( joi′nər)

WordReference Random House Learner's Dictionary of American English © 2025

join•er /ˈdʒɔɪnɚ/   n. [countable]

1. a person who joins, esp. a person who likes to join groups or organizations.
2. Building a carpenter, esp. one who constructs doors, paneling, and other permanent woodwork.

WordReference Random House Unabridged Dictionary of American English © 2025

join•er  ( joi′nər), 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.

• Anglo-French joignour, equivalent. to joign- (see join) + -our -or²
• 1350–1400; join + -er¹; replacing Middle English joinour

Collins Concise English Dictionary © HarperCollins Publishers::

joiner / ˈdʒɔɪnə/ noun

1. a person trained and skilled in making finished woodwork, such as windows, doors, and stairs
2. a person or thing that joins
3. a person who joins many clubs, causes, etc