Chilled (4)
'chilled' is the definition.
(icing is a kind of chilling)
This is the entire clue.
(Other definitions for iced that I've seen before include "not at all hot" , "Made very cold" , "reduced number of degrees" , "Kept cool" , "hidden under white crystals?" .)
'chilled' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for cool that I've seen before include "Moderately cold" , "Unemotional or trendy" , "Unemotional; excellent" , "Unfriendly; excellent" , "Rain heavily (colloq.)" .)