It's dried, only to be made wet (3)
I believe the answer is:
tea
'be made wet' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.
'it's dried only' is the wordplay.
'it' becomes ''t' (abbreviation. e.g. in 'tis).
'dried only' becomes 'ea' (I can't justify this - if you can you should believe this answer much more).
't'+'ea'='TEA'
'to' acts as a link.
Can you help me to learn more?
(Other definitions for tea that I've seen before include "Infusion of dried leaves" , "Plant" , "Food" , "Char" , "Light afternoon meal" .)