Animal hospital desire answer (5)
I believe the answer is:
hyena
'animal' is the definition.
(I've seen this before)
'hospital desire answer' is the wordplay.
'hospital' becomes 'h'.
'desire' becomes 'yen' (yen can mean a longing or desire).
'answer' becomes 'a' (abbreviation eg in Q and A).
'h'+'yen'+'a'='HYENA'
(Other definitions for hyena that I've seen before include "African native" , "Scavenging carnivore" , "Nocturnal animal with hysterical laugh" , "Wild animal" , "Dog-like nocturnal mammal of Africa and southern Asia" .)