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Websters Dictionary explains shed like this:
shed-
as a noun
1. a slight or rude structure built for shelter, storage, etc.
2. a large, strongly built structure, often open at the sides or end
–verb (used with object) 1. to pour forth (water or other liquid), as a fountain.
2. to emit and let fall, as tears.
3. to impart or release; give or send forth (light, sound, fragrance, influence, etc.).
4. to resist being penetrated or affected by: cloth that sheds water.
5. to cast off or let fall (leaves, hair, feathers, skin, shell, etc.) by natural process.
6. Textiles. to separate (the warp) in forming a shed.
–verb (used without object) 7. to fall off, as leaves.
8. to drop out, as hair, seed, grain, etc.
9. to cast off hair, feathers, skin, or other covering or parts by natural process.
An antonym of shed-
to grow
This is the webster dictionary.