অর্থ : A person who rises (especially from bed).
উদাহরণ :
He's usually a late riser.
অর্থ : A vertical pipe in a building.
সমার্থক : riser main, riser pipe, riser pipeline
অর্থ : Structural member consisting of the vertical part of a stair or step.
Riser meaning in Bengali (Bangla).