Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by general context]

Narrower term/s

• guardrails [NP]
• handrails [NP]
• snow guards [NP]
• chair rails [NP]
• picture rails [NP]
• plate rails [NP]
• lock rails [NP]
• meeting rails [NP]
• altar rails [NP][+]
  • communion rails
• communion rails [NP]
• arm rails [NP]
• back rails [NP]
• crest rails [NP]
• blanket rails [NP]
• seat rails [NP][+]
  • medial braces
• medial braces [NP]
• safety rails [NP][+]
  • grab bars
  • toilet safety rails
• toilet safety rails [NP]
• stretchers (furniture components) [NP][+]
  • block and spindle stretchers
  • cross stretchers [+]
    • saltire stretchers
  • box stretchers
• headrails [NP]
• side rails [NP]

Anotations

Scope note:

Any of various horizontal structural members in a frame or paneling, as in a window sash, paneled door, or chest of drawers, or joining the vertical posts of furniture, as in the crest rail of a chair.