ಅರ್ಥ : A person who rises (especially from bed).
ಉದಾಹರಣೆ :
He's usually a late riser.
ಅರ್ಥ : A vertical pipe in a building.
ಸಮಾನಾರ್ಥಕ : riser main, riser pipe, riser pipeline
ಅರ್ಥ : Structural member consisting of the vertical part of a stair or step.