Definition of secede - withdraw formally from membership of a federal union, an alliance, or a political or religious organization Definition of secede - withdraw formally from membership of a federal union, an alliance, or a political or religious organization
A shell casing is a piece of ammunition that is made of metal. It is often brass, but it can be made of other metals as well, and the more durable the better. Shell casings can be made from any kind of ammunition that is fired from a pistol, rifle or shotgun. It is not a bullet, but it is a piece of the larger ammunition mechanism that is loaded into the chamber to be shot.
Seashells can be found as one coiled piece, or they can be made up of two parts. All the shells you see dotting the beach were made by the creature who lives (or lived) inside. The mollusk is a marine snail and it's life becomes a work of art in the form of it's shell.