[n] a movable barrier covering a hatchway
[n] shading consisting of multiple crossing lines
[n] the production of young from an egg
[v] sit on (eggs); "Birds brood"; "The female covers the eggs"
[v] emerge from the eggs; of birds, fish, or reptiles
[v] draw, cut, or engrave lines, usually parallel, on metal, wood, or paper; "hatch the sheet"
[v] devise or invent; "He thought up a plan to get rich quickly"; "no-one had ever thought of such a clever piece of software"
[v] inlay with narrow strips or lines of a different substance such as gold or silver, for the purpose of decorating
brood, concoct, cover, crosshatch, dream up, hachure, hatching, hatching, incubate, think of, think up