閉ざす

What does 閉ざす mean in English?

1. to shut; to close; to fasten; to lock(v5s, vt)
2. to block (a street, entrance, etc.)(v5s, vt)
3. to shut in (with snow, ice, etc.); to shut off; to cut off; to cover (e.g. in darkness)(v5s, vt)
4. to consume (with negative feelings); to fill (e.g. with sadness); to bury (e.g. in grief)(v5s, vt)