A chip slyly chewed will show in body shape (10)
I believe the answer is:
physically
'a chip slyly chewed will show in body shape' is the definition.
I can't judge whether this defines the answer.
'a chip slyly chewed' is the wordplay.
'chewed' is an anagram indicator.
'a'+'chip'+'slyly'='achipslyly'
'achipslyly' with letters rearranged gives 'PHYSICALLY'.
Can you help me to learn more?
(Other definitions for physically that I've seen before include "Materially, in the body" , "In a bodily manner" .)