riser

noun ris·er \ˈrī-zər\

: a person who gets out of bed after sleeping

: the upright board between two stairs

risers : a set of tall and wide steps for standing or sitting on

Full Definition of RISER

: one that rises (as from sleep)

: the upright member between two stair treads

: a stage platform on which performers are placed for greater visibility

: a vertical pipe (as for water or gas) or a vertical portion of an electric wiring system

: one of the straps that connects a parachutist's harness with the shroud lines

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15th century

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