Part of a flight of steps (5)
I believe the answer is:
stair
(Other definitions for stair that I've seen before include "Step in house" , "Indoor step" , "Tread and riser" , "Support on which to step" , "Rising step" .)
I believe the answer is:
stair
(Other definitions for stair that I've seen before include "Step in house" , "Indoor step" , "Tread and riser" , "Support on which to step" , "Rising step" .)