eggshell Meaning, Definition & Usage

  1. noun the exterior covering of a bird's egg
    shell.

WordNet


Egg"shell` noun
Definitions
  1. The shell or exterior covering of an egg. Also used figuratively for anything resembling an eggshell.
  2. (Zoöl.) A smooth, white, marine, gastropod shell of the genus Ovulum, resembling an egg in form.

Webster 1913