pipping

Webster's Dictionary (GCIDE)

Pip \Pip\, v. i. [imp. & p. p. Pipped; p. pr. & vb. n. Pipping.] [See Peep.] To cry or chirp, as a chicken; to peep. [1913 Webster]

To hear the chick pip and cry in the egg. --Boyle. [1913 Webster]