Greek character in second statue? (8)
I believe the answer is:
monument
'statue?' is the definition.
(thesaurus)
'greek character in second' is the wordplay.
'greek character' becomes 'nu' (letter from the Greek alphabet).
'in' indicates putting letters inside.
'second' becomes 'moment' (synonyms).
'nu' going within 'moment' is 'MONUMENT'.
(Other definitions for monument that I've seen before include "Commemorative structure" , "Lasting record" , "Commemorative column etc" , "London tube station" , "Could be column" .)