Form (5)
(Other definitions for class that I've seen before include "period" , "Rank" , "Excellent" , "Form; stylishness" , "Study group" .)
'form' is the definition.
(I know that form can be written as shape)
This is the entire clue.
(Other definitions for shape that I've seen before include "'Figure, outline (5)'" , "For good physical condition" , "Form, figure" , "Heaps (anag.)" , "External form" .)
(Other definitions for mould that I've seen before include "Cast; form" , "Shape" , "Penicillin was discovered in this" , "jelly?" , "Mildew" .)
'form' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for structure that I've seen before include "Building or organised arrangement" , "make-up" , "Edifice" , "Building; framework" .)
'form' is the definition.
(I know that form can be written as constitute)
This is the entire clue.
(Other definitions for constitute that I've seen before include "Found" , "Make up" , "Be (a part) of a whole" , "form" .)