Riser (Noun)
Meaning 1
Structural member consisting of the vertical part of a stair or step.
Classification
Nouns denoting man-made objects.
Meaning 2
A vertical pipe in a building.
Classification
Nouns denoting man-made objects.
Synonyms
Hypernyms
Meaning 3
A person who rises (especially from bed); "he's usually a late riser".
Classification
Nouns denoting people.