The first crack in the egg made by the baby bird trying to get out.
The first small holes pecked through the shell of an egg as a chick gets ready to hatch.
To break through or peck holes in the shell by the chick.
1. The hole a newly formed chick makes in its shell when it is ready to hatch. 2. The act of making the hole.
is to break through the shell of an egg. A baby falcon "pips" to begin hatching.
Egg in which the chick has broken the shell in an attempt to hatch; also, the act of breaking the shell. Chicks may die after pipping or may be unable to get out of the shell.