petite
adjective /pəˈtiːt/
  /pəˈtiːt/
 (from French, approving)- (of a girl, woman or her figure) small and thin
- a petite blonde
 - She was fair-haired and petite.
 - With her slim, petite figure, she could have been any age from 13 to 30.
 
Oxford Collocations DictionaryPetite is used with these nouns:- frame
 
Word Originlate 18th cent.: French, feminine of petit ‘small’.