Relating to meaning in language (8)
I believe the answer is:
semantic
'relating to meaning in language' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for semantic that I've seen before include "Relating to meaning in language" , "Relating to the study of meaning" , "Relating to the meaning of words" , "Of difference in meaning of words" , "Of meaning and connotation in language" .)