Period of ten decades (7)
I believe the answer is:
century
(Other definitions for century that I've seen before include "100 years" , "Period of time" , "lot of time" , "A lot of runs!" , "Group of a hundred" .)
I believe the answer is:
century
(Other definitions for century that I've seen before include "100 years" , "Period of time" , "lot of time" , "A lot of runs!" , "Group of a hundred" .)