English dictionary

riser

/'r/aI/z/@/r/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a person who rises (especially from bed)

noun.person

Examples
He's usually a late riser.

Source: WordNet 3.0
a vertical pipe in a building

noun.artifact

Synonyms riser main riser pipe riser pipeline

Source: WordNet 3.0
structural member consisting of the vertical part of a stair or step

noun.artifact

Source: WordNet 3.0
One who rises; as, an early <i>riser</i>.

noun

Source: webster1913