See it as meaning "May I have your attention" (4)
I believe the answer is:
look
This could be a double definition.
'see' is the first definition.
(I know that look is a type of see)
'it as meaning may i have your attention' is the second definition.
The definition suggests a singular noun which matches the answer.
Can you help me to learn more?
(Other definitions for look that I've seen before include "Behold" , "Peer" , "Cockney butcher's" , "See - expression used to attract attention" , "Direct the eye to" .)