Inclinations of angles in shape (8)
I believe the answer is:
leanings
'inclinations' is the definition.
(leaning is a kind of inclination)
'angles in shape' is the wordplay.
'shape' indicates an anagram.
'angles'+'in'='anglesin'
'anglesin' is an anagram of 'LEANINGS'.
'of' is the link.
(Other definitions for leanings that I've seen before include "biases" , "Tendencies or penchants" , "Inclinations" .)