riser

Primary Meanings of riser

1.
n
a person who rises (especially from bed)
2.
n
a vertical pipe in a building
Full Definitions of riser
1

n a person who rises (especially from bed)

“he's usually a late riser
Types:
early bird
a person who gets up very early in the morning
Type of:
individual, mortal, person, somebody, someone, soul
a human being
2

n a vertical pipe in a building

Synonyms:
riser main, riser pipe, riser pipeline
Type of:
pipage, pipe, piping
a long tube made of metal or plastic that is used to carry water or oil or gas etc.

n structural member consisting of the vertical part of a stair or step

Type of:
structural member
support that is a constituent part of any structure or building

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