Definition

1. Noun:
   • A structural member consisting of the vertical part of a stair or step: The upright board or section that closes the space between two consecutive stair treads.
   • A vertical pipe in a building: A pipe, typically for water, gas, or other utilities, that runs vertically between floors.
   • A person who rises, especially from bed: A person who gets up, typically used with an adjective like 'early' or 'late' to describe their habit.

Usage Examples

• Noun (Structural Member):

  • The carpenter measured the height of each riser before installing the stair treads.
  • Building codes specify a maximum height for stair risers for safety.

• Noun (Vertical Pipe):

  • The plumber is repairing a leak in the main water riser.
  • The gas supply to the upper floors travels through a central riser.

• Noun (Person):

  • My grandfather has always been an early riser, waking at dawn.
  • She is not a morning person and is known as a late riser.

Advanced Usage

• "Riser diagram": A technical drawing in engineering or architecture that shows the vertical arrangement of pipes, ducts, or electrical conduits.
  • The engineer reviewed the plumbing riser diagram for the new apartment building.

Variants and Related Words

• Rise (verb): To move from a lower position to a higher one; to get up from sitting, lying, or kneeling.
  • The sun rises in the east.
• Rising (adjective/noun): Increasing or going up; an act of rising.
  • The rising cost of living is a concern.

Synonyms

• Upright (for the structural member): A vertical structural element.
• Standpipe (for the vertical pipe): A vertical pipe, especially for water.
• Early bird (for an early riser): A person who wakes up or arrives early.

Related Phrases

• "An early riser": A person who habitually wakes up early in the morning.
  • Successful CEOs are often early risers.
• "A late riser": A person who habitually wakes up late.
  • On weekends, I allow myself to be a late riser.

Noun

1. structural member consisting of the vertical part of a stair or step
2. a vertical pipe in a building
3. a person who rises (especially from bed)
   • he's usually a late riser