Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  riser(noun) a person who rises (especially from bed) he's usually a late riser. 2  riser, riser pipe, riser pipeline, riser main(noun) a vertical pipe in a building. 3  riser(noun) structural member consisting of the vertical part of a stair or step.
Noblesville Weather - Current Temperature: -12.5 Â°C, Clear, Today's Temperature : -12 / -22 Â°C, Weather in Noblesville Indiana noblesville online us local search
Roseville, CA Weather. Roseville, CA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's.