riser
1. [ noun ] a person who rises (especially from bed)
Examples:

"he's usually a late riser"

Related terms: person early_bird get_up
2. [ noun ] a vertical pipe in a building
Synonyms: riser_pipe riser_pipeline riser_main
Related terms: pipe
3. [ noun ] Last name, frequency rank in the U.S. is 11316
4. [ noun ] structural member consisting of the vertical part of a stair or step
Related terms: structural_member step
Similar spelling:   Risser
  Rieser
  Rizer
  Riker
  ricer
  Risher
  rigger
  Rieger
  Ricker
  Richer
  Rizor
  rigor
  Reiser
  raiser
  rigour