Sigma follower
I think it could be either:
'sigma follower' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for chi that I've seen before include "Mental projection" , "Greek X" , "One character abroad" , "Greek character" , "Twenty-second Greek letter" .)
'sigma follower' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tau that I've seen before include "Greek letter; cross" , "letter from foreigner" , "A subatomic particle" , "character from Athens" , "19th letter of the Greek alphabet" .)