egg case

noun
1.
Entomology, ootheca.
2.
Entomology, egg sac.
Origin
1840-50
Examples from the web for egg case
  • Two hundred or more mantis nymphs may emerge from a single egg case.
  • Larval appendages can be seen at the top of the egg case.
  • One case being investigated is the sea turtle egg case mentioned previously.
  • When the egg hatches, the larva stays in its hanging egg case, reaches into the pile of caterpillars and begins feeding.
egg case in Science
egg case  
  1. A protective capsule of certain animals, such as insects and mollusks, that contains eggs.

  2. See egg sac.