Meanings of huge cocoon in English

A huge cocoon hung from the ceiling, off to her right.

She came in, covered with snow, hooded, shawled and coated till she resembled a huge cocoon.

Perenelle sealed the spider Elder into the huge cocoon of web, then turned and strode across the room.

Attached to the ceiling there was a chandelier in a holland covering-thecovering so dusty as closely to resemble a huge cocoon enclosing a caterpillar.

Five minutes later, when the sleepy "taps" sounded, the decks were almost deserted save for the hammocks, which looked like huge cocoons swung horizontally.