Definition of riser in English:


Line breaks: riser
Pronunciation: /ˈrʌɪzə


  • 1 [with adjective] A person who habitually gets out of bed at a particular time of the morning: late risers always exasperate early risers
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    • The habitual early riser laid in bed and slept till almost noon for the first time in her life.
    • My aunt is the only early riser of the house, up before first light most mornings, so at least there was coffee already percolating and breakfast being made.
    • Phil was an early morning riser and by now had no doubt probably made breakfast.
  • 2A vertical section between the treads of a staircase: make risers low and treads deep
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    • In all the houses, suspended straight-flight stairs have treads and risers made of continuous sheets of folded steel with flat steel stringers.
    • The more solid platforms and staircase contrast with the lightness of the ribbed enclosure, but the risers of the staircase are left open to maximise views.
    • The tread and riser of each step is proportionately different so that consecutive steps require slightly different muscular effort, which Steele thought would reduce fatigue.
  • 3A vertical pipe for the upward flow of liquid or gas: this pressure carries water through the risers to the upper floors the main gas riser there was relocated
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    • The buried valve allowing them to drain and avoid freezing can allow bacterially contaminated water to be drawn into the riser pipe leading to the hydrant.
    • Except for the 3 acres on raised beds with plastic mulch and drip tape, we use two movable aluminum pipe systems with sprinklers on risers to cover the farm.
    • Two independent permanent power supplies serve the building with dual risers to each floor.
  • 4A low platform on a stage or in an auditorium, used to give greater prominence to a speaker or performer: he fell backwards off the riser half a drum riser collapsed during my solo
    More example sentences
    • A slight stumble going down the risers to leave the stage did not mar the performance at all.
    • As the main stage curtain lifted, the tiny singer appeared a top the drum riser, clad in a bright yellow T-shirt that read ‘Halls’ and a pair of black pants adorned with all sorts of silver hardware.
    • Bored and not that impressed as the set began to wrap up, I saw the drum riser slowly rose to about 15 feet off the ground.
  • 5A strip of webbing joining the harness and the rigging lines of a parachute or paraglider: constantly adjust the risers to keep the wing overhead

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Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea

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