Possible Definitions:
1. Shard (n.) A plant; chard.
2. Shard (n.) A piece or fragment of an earthen vessel, or a like brittle substance, as the shell of an egg or snail.
3. Shard (n.) The hard wing case of a beetle.
4. Shard (n.) A gap in a fence.
5. Shard (n.) A boundary; a division.