Hatch

shading consisting of multiple crossing lines

a sloping rear car door that is lifted to open

the production of young from an egg

a movable barrier covering a hatchway

draw, cut, or engrave lines, usually parallel, on metal, wood, or paper

emerge from the eggs

devise or invent

sit on (eggs)

inlay with narrow strips or lines of a different substance such as gold or silver, for the purpose of decorating