Some hair (5)
'some hair' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for edges that I've seen before include "Inches" , "Margins" , "They're used for cutting" , "Fringes" , "Outer limits" .)
'some hair' is the definition.
(tress is a kind of hair)
This is all the clue.
(Other definitions for tress that I've seen before include "Curl - lock" , "Braid of hair" , "is a bit of a shock" , "Rests (anag.)" , "Long lock or plait of hair" .)