Cross coming out of manger edgeways (7)
I believe the answer is:
angered
'cross' is the definition.
(thesaurus)
'coming out of manger edgeways' is the wordplay.
'coming out of' indicates a hidden word.
'ANGERED' can be found hidden inside 'manger edgeways'.
(Other definitions for angered that I've seen before include "In high dudgeon" , "Infuriated" , "Enraged (anag)" , "Very annoyed" , "En garde (anag.)" .)