One of a set of fixed steps (5)
I believe the answer is:
stair
(Other definitions for stair that I've seen before include "Support on which to step" , "that's between levels" , "One step of a flight" , "Indoor step" , "one on the way up" .)
I believe the answer is:
stair
(Other definitions for stair that I've seen before include "Support on which to step" , "that's between levels" , "One step of a flight" , "Indoor step" , "one on the way up" .)