A couple of pages on the French fruit (6)
I believe the answer is:
apples
'fruit' is the definition.
(apple is a type of fruit)
'a couple of pages on the french' is the wordplay.
'couple of' says to double the letters.
'pages' becomes 'p'.
'on' means one lot of letters go next to another (in a down clue, letters appear on others).
'the french' becomes 'les' ('the' in French).
'p' doubled is 'pp'.
'a'+'pp'+'les'='APPLES'
(Other definitions for apples that I've seen before include "Divinely influenced" , "Fuits like Granny Smith's" , "Crisp fruits" , "''The silver ... of the moon, / The golden ... of the sun'' (W B Yeats)" , "They never fall far from the tree" .)