Time of nourishment I'd arranged (6,9)
I believe the answer is:
fourth dimension
'time' is the definition.
('fourth dimension' can be a synonym of 'time')
'of nourishment i'd arranged' is the wordplay.
'arranged' indicates an anagram.
'of'+'nourishment'+'id'='ofnourishmentid'
'ofnourishmentid' anagrammed gives 'FOURTH DIMENSION'.
(Other definitions for fourth dimension that I've seen before include "It may be described as time" , "feature of spacetime" .)