Be humiliated
'be humiliated' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for eatcrow that I've seen is " admit we were wrong".)
'be humiliated' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for eat humble pie that I've seen before include "Admit one's mistakes" , "Forced into humility" , "Make a humiliating apology" , "Make an abject apology" , "Meekly, make an apology" .)