Main Entry: ris·er

Pronunciation: \ˈrī-zər\

Function: noun

Date: 15th century

1 : one that rises (as from sleep)
2 : the upright member between two stair treads
3 : a stage platform on which performers are placed for greater visibility
4 : a vertical pipe (as for water or gas) or a vertical portion of an electric wiring system
5 : one of the straps that connects a parachutist's harness with the shroud lines