Sending back, with “Love from Spain,” a bouquet (5)
I believe the answer is:
aroma
'bouquet' is the definition.
(thesaurus)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for aroma that I've seen before include "Scent - smell" , "Bouquet" , "Test of knowledge" , "Scent - fragrance" , "Nose" .)