from The Century Dictionary.
- noun A natural casing or envelop of some kinds of eggs.
Sorry, no etymologies found.
When the bombs came to where they kept her, the apparition stirred within her, like an octopus embryo flexing its tentacles inside its egg-case.
The merchant was at his desk behind a railing in the rear, and a boy sat in the middle of the floor filling a patent egg-case with fresh eggs.
It’s really exciting to be helping with that research… but yeah, I’ve had to handle some … unsavory… spiders… I sent him an egg-case and mother brown-recluse, too. those things are common here, though if you don’t bother them, they really won’t bother you.