shard

A broken piece or fragment, as of pottery or glass.

A tough scale or covering, such as the elytron of a beetle.

A piece or fragment, as of an earthen vessel; a potsherd; a fragment of any hard material.

A scale; a shell, as of an egg or a snail.

The wing-cover or elytrum of a beetle.

A notch.

A gap in a fence.

An opening in a wood.

A bourn or boundary; a division.

The leaves of the artichoke and some other vegetables whitened or blanched.