Dictionary

stair

noun \ˈster\

stairs : a series of steps that go from one level or floor to another

: one of the steps in a set of stairs

Full Definition of STAIR

1
:  a series of steps or flights of steps for passing from one level to another —often used in plural but singular or plural in construction <a narrow private stairs — Lewis Mumford>
2
:  a single step of a stairway
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Origin of STAIR

Middle English steir, from Old English stǣger; akin to Old English & Old High German stīgan to rise, Greek steichein to walk
First Known Use: before 12th century
STAIR Defined for Kids

stair

noun \ˈster\

Definition of STAIR for Kids

1
:  a series of steps or flights of steps for going from one level to another —often used in pl. <Children ran down the stairs.>
2
:  one step of a stairway
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