
Riser
    
    WordNet
        noun
(1)   Structural member consisting of the vertical part of a stair or step
(2)   A vertical pipe in a building
(3)   A person who rises (especially from bed)
        "He's usually a late riser"
WiktionaryText
        Noun
- Someone or something which rises.
-  A platform or stand used to lift or elevate something.
- The choir stood on risers for the performance.
 
- The vertical part of a step on a staircase.
- The main body of a bow.
- A conduit or path between floors of a building for placement of telephone, networking, and other utility cables.
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