hatching

noun4

1. •
   The act of an egg hatching, eclosion.
2. •
   A method of shading areas of a drawing or diagram with fine parallel lines.
3. •
   Patterns used in construction drawings to represent various materials.
4. •
   A group of birds, reptiles, fish, insects, etc., which emerge from their eggs at the same time.

   • We got a good hatching from the swallowtail eggs.