Leaf (4)
'leaf' is the definition.
(petal is a kind of leaf)
This is all the clue.
(Other definitions for petal that I've seen before include "Flower part seen on plate" , "part taken from stock?" , "Part of a flowers corolla" , "A bit of flower" , "Bloom's part" .)
'leaf' is the definition.
(page is a kind of leaf)
This is the entire clue.
(Other definitions for page that I've seen before include "Young male attendant" , "Boy attendant; send out call for" , "Court attendant" , "Leaf - boy attendant" , "Errand boy at hotel, club etc" .)
(Other definitions for peeping that I've seen before include "Looking furtively" , ". . . . . . . Tom, furtive observer" .)