Deliver, as I go out, a plant (7)
I believe the answer is:
freesia
'a plant' is the definition.
The answer is an example.
'deliver as i go out' is the wordplay.
'deliver' becomes 'free' (I've seen this before).
'go out' is an anagram indicator.
'as'+'i'='asi'
'asi' anagrammed gives 'sia'.
'free'+'sia'='FREESIA'
(Other definitions for freesia that I've seen before include "Highly scented flower" , "Scented South African plant" , "Fragrant flower (sounds rather cold?)" , "bloomer" , "Sea rife with these odd flowers" .)