Definition

1. Noun:
   • A type of interior door: A "bi-fold door" is a door unit, typically used for closets or room dividers, that consists of two or more hinged panels. These panels fold together in a concertina-like manner when opened, sliding along a track mounted at the top.

Usage

• A "bi-fold door" is used to save space compared to a standard swinging door, as it does not require clearance in front of or behind the door frame to open. It is commonly installed on closets, pantries, or as access to laundry areas.

Examples

• Noun:
  • We installed new bi-fold doors on the bedroom closet to make it easier to access our clothes.
  • The old wooden bi-fold door was sticking, so I had to adjust the track.
  • For a more modern look, consider using mirrored bi-fold doors.

Advanced Usage

• "to install/hang a bi-fold door": The common action for putting this type of door in place.
  • Hanging a bi-fold door requires careful alignment of the pivot pins and track.
• "bi-fold door hardware": Refers to the specific track, hinges, knobs, and guides needed for the door's operation.
  • Make sure you purchase the correct bi-fold door hardware kit for the door's weight.

Variants and Related Words

• Folding door (n): A more general term for any door that opens by folding, which can include bi-fold doors (two panels) or multi-panel folding doors.
• Bypass door / Sliding door (n): A different type of space-saving door where panels slide past each other horizontally, rather than folding.
• Pocket door (n): A door that slides into a cavity within the adjacent wall.

Synonyms

• Folding closet door: Specifically indicates its common use and function.
• Accordion door: A similar, but often distinct, type of folding door made from multiple narrow vertical panels connected by hinges, creating a pleated look when opened.

Related Phrases

• "to fold back the doors": The action of opening bi-fold doors.
  • She folded back the doors to reveal the neatly organized storage shelves.

Noun

1. an interior door