Measuring implement (5)
I believe the answer is:
ruler
(Other definitions for ruler that I've seen before include "Chief" , "Monarch or measure" , "Measuring device" , "Thoroughly straight" , "One who commands - often seen in the classroom" .)
I believe the answer is:
ruler
(Other definitions for ruler that I've seen before include "Chief" , "Monarch or measure" , "Measuring device" , "Thoroughly straight" , "One who commands - often seen in the classroom" .)