crow's nest

 

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crow's nest

Wikipedia

• crow's-nest, crowsnest

From the habit of crows building nests high up in trees.

crow's nest (plural crow's nests)

1. (nautical) A small open-top shelter, originally a cask, on the top of the foremast, large enough to accommodate a lookout. It was used by whalers to watch for a blow (spout), or in icebound waters to seek a channel.

• Crowsnest Pass

• top, foretop

• town cress