Nick, e.g., or a word following "nick" (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
name
(Other definitions for name that I've seen before include "Moniker" , "Amen (anag)" , "''A rose by any other ... would smell as sweet'' (Romeo and Juliet)" , "By which one is known" , "Call; reputation" .)