
1) Aid in ascension 2) Baluster connection 3) Before case or well 4) Case beginning 5) Case opening 6) Case or way leader 7) Case or way preceder 8) Case or well preceder 9) Case starter 10) Climbing unit 11) Companionway 12) Connector of floors 13) Connector of stories 14) Creaky part of a house 15) Device for upward mobility
Found on
https://www.crosswordclues.com/clue/stair

1) Corbiestep 2) Staircase 3) Stairway 4) Step
Found on
https://www.crosswordclues.com/clue/stair

• (n.) A series of steps, as for passing from one story of a house to another; -- commonly used in the plural; but originally used in the singular only. • (n.) One step of a series for ascending or descending to a different level; -- commonly applied to those within a building.
Found on
http://thinkexist.com/dictionary/meaning/stair/

stairs have existed as long as architecture. Primarily utilitarian and often designed with defence in mind, they became grander from 1500 onwards as houses were able to accommodate larger constructions. Glossary Curtail - a bottom stair, longer than the rest, to support a newel...
Found on
http://www.encyclo.co.uk/local/20935
Stair noun [ Middle English
steir ,
steyer , Anglo-Saxon
st...ger , from
...igan to ascend, rise. √164. See
Sty to ascend.]
1. One step of a series for ascending or descending to a different level; -- commonly applied to those within a building.
2....Found on
http://www.encyclo.co.uk/webster/S/182

one of a flight or series of steps for going from one level to another, as in a building. · such steps collectively, esp. as forming a flight or a series of flights: I was so excited I ran all the way up the stairs. · a series or flight of steps; stairway: a winding stair.
Found on
https://www.infoplease.com/dictionary/stair
No exact match found.