Definitions for hatchingˈhætʃ ɪŋ
Random House Webster's College Dictionary
Ref: hachure (def. 2). 2
Origin of hatching:
the production of young from an egg
hatch, hatching, crosshatch, hachure(noun)
shading consisting of multiple crossing lines
A method of shading areas of a drawing or diagram with fine parallel lines.
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.
a mode of execution in engraving, drawing, and miniature painting, in which shading is produced by lines crossing each other at angles more or less acute; -- called also crosshatching