riser

American  

[rahy-zer] / ˈraɪ zər /

noun

1. a person who rises, especially from bed.

   to be an early riser.

2. the vertical face of a stair step.

3. any of a group of long boards or narrow platforms that can be combined in stepwise fashion.

   The choir stood on a horseshoe of risers behind the orchestra.

4. a vertical pipe, duct, or conduit.

5. Metallurgy. a chamber or enlarged opening at the top of a mold for allowing air to escape or adding extra metal.

6. Nautical.

   1. a heavy strake of planking in the vicinity of the garboard strake in a wooden vessel.

   2. rising.

---

riser British  

/ ˈraɪzə /

noun

1. a person who rises, esp from bed

   an early riser

2. the vertical part of a stair or step

3. a vertical pipe, esp one within a building

---

Etymology

Origin of riser

Middle English word dating back to 1350–1400; rise, -er ¹

Example Sentences

I’m not an early riser, though it’s all circumstantial if I’m working or traveling or jet-lagged.

From The Wall Street Journal

An early riser, Witkoff begins his day as it ends, pacing with his cellphone on a video call, its camera jerking haphazardly around the interior of his waterfront Miami mansion or private jet.

From The Wall Street Journal

Telecom Italia is the biggest riser in the index, climbing 2.25%.

From The Wall Street Journal

The Babushkinovs were late risers, and she had already told them she would spend the night at the Saint Petersburg Home for Poor Bright Governesses.

From Literature

But mother and daughter arrived to find a long line of other early risers parked outside Starbucks by 5, so they scoured eight more locations.

From The Wall Street Journal