Riser(n.) One who rises; as, an early riser.
Riser(n.) The upright piece of a step, from tread to tread.
Riser(n.) Any small upright face, as of a seat, platform, veranda, or the like.
Riser(n.) A shaft excavated from below upward.
Riser(n.) A feed head. See under Feed, n.
Words within risers