Definitions

1. verb

to take down or remove a mast or a spar (of a ship) from its step or socket, so that it no longer projects above the deck.

“The storm forced the sailors to uncoopered the mast to prevent damage.”

2. verb

to bring down or remove something, especially a part of a ship, from its fixed position.

“The crew had to uncooper the damaged boom to continue sailing.”

3. noun

a mast or spar that has been removed from its step or socket, so that it no longer projects above the deck.

“The ship was left uncoopered, which made it difficult to navigate through the storm.”