Male not in to send out carriage (7)
I believe the answer is:
transit
'carriage' is the definition.
(thesaurus)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for transit that I've seen before include "carriage" , "The process of going or passing - sic . . . . . . . gloria mundi" , "Change" , "Haulage" , "The process of going or conveying" .)