Definition of "Riser" :
noun: structural member consisting of the vertical part of a stair or step
noun: a vertical pipe in a building
noun: a person who rises (especially from bed)
"He's usually a late riser."
noun: structural member consisting of the vertical part of a stair or step
noun: a vertical pipe in a building
noun: a person who rises (especially from bed)
"He's usually a late riser."