TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SPIRAL STAIR [1 record]

Record 1 2021-03-11

English

Subject field(s)
  • Stairs and Stairways
DEF

A stairway with a circular plan and wedge-shaped treads.

CONT

The spiral staircase is characterized by the way it revolves around a centrally located column. As the individual steps are stacked they form a spiral, which is subsequently reinforced and cast. The spiral then becomes the supporting element and acts as the column around which the steps revolve.

OBS

helical stair; helical staircase : even though some sources indicate differences between helical stairs and spiral stairs, the terms "helical stair" and "helical staircase" are mostly used in the sense of "spiral stair."

Key term(s)
  • winding stair

French

Domaine(s)
  • Escaliers
DEF

Escalier tournant en spirale autour d'un axe, dit noyau, qui soutient toutes les marches.

Spanish

Campo(s) temático(s)
  • Escaleras
DEF

[Escalera] de forma [de hélice], seguida y sin descansillos.

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