crowsnest

noun
UK /ˈkrəʊznest/
US /ˈkroʊznest/

A small lookout place high up on a ship where a sailor can see far away.

The sailor climbed to the crowsnest to watch for land.


OTHER MEANINGS

2. A small platform or basket fixed high on a ship's mast.

The crowsnest swayed as the ship rocked on the waves.

3. Any high place used for watching or observing.

From his crowsnest on the hill, he could see the whole valley.

4. A nest built by a crow.

We found a crowsnest in the tall oak tree.