Noun

• S: (n) stairway, staircase (a way of access (upward and downward) consisting of a set of steps)
• direct hyponym / full hyponym
• part meronym
• S: (n) landing (an intermediate platform in a staircase)
• S: (n) stairhead (platform at the top of a staircase)
• direct hypernym / inherited hypernym / sister term
• S: (n) platform (a raised horizontal surface) "the speaker mounted the platform"
• S: (n) horizontal surface, level (a flat surface at right angles to a plumb line) "park the car on the level"
• S: (n) surface (the outer boundary of an artifact or a material layer constituting or resembling such a boundary) "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface"
• S: (n) artifact, artefact (a man-made object taken as a whole)
• S: (n) whole, unit (an assemblage of parts that is regarded as a single entity) "how big is that part compared to the whole?"; "the team is a unit"
• S: (n) object, physical object (a tangible and visible entity; an entity that can cast a shadow) "it was full of rackets, balls and other objects"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• part holonym
• S: (n) step, stair (support consisting of a place to rest the foot while ascending or descending a stairway) "he paused on the bottom step"
• direct hypernym / inherited hypernym / sister term
• S: (n) way (any artifact consisting of a road or path affording passage from one place to another) "he said he was looking for the way out"
• part holonym
• S: (n) building, edifice (a structure that has a roof and walls and stands more or less permanently in one place) "there was a three-story building on the corner"; "it was an imposing edifice"