The shell.
The outer covering of an egg is called the shell.
it is an egg shell
A shell. Before that the chicken was covering it.
It depends on your definition. The hard outer covering of an egg is called a shell. It protects the contents of the egg, and gives chicks a safe place to develop when the egg is incubated. The coating that is put on the egg when it is laid which keeps out bacteria is called the bloom. The bloom protects the egg until it is washed off; at that time, the egg is then susceptible to germs entering the egg through the shell.
sex
The hard covering of a seed is called the seed coat. It serves to protect the seed from damage, dehydration, and pathogens.
The outside part of an egg is called the shell. It serves as a protective covering for the egg's contents.
exoskeleton
The hard external covering of insects is made of a substance called chitin.
The outer covering of the grain is called Husk.
An egg with an outer hard shell is called the cuticle or bloom. It helps keep out bacteria and dust.
The shell.