A boy formerly educated with a prince and punished in his stead.(noun)
The Century Dictionary (Public Domain)
Use "whipping-boy" in a sentence
"Unfortunately, New Criticism has apparently come to be seen as an all-purpose kind of apologia for complexity of all kinds, a convenient whipping-boy in circumstances in which "complexity" is seen by some as an excuse for evading obvious moral distinctions."
"A painter whose style had conquered Europe became, at best, an artistic whipping-boy."
"And when he is joined by Russell Barr as a Boswell who is a mixture of close companion, whipping-boy and assiduous note-taker, you feel you are eavesdropping on one of the great double-acts in literary history."