or crow's nest
Nautical. a platform or shelter for a lookout at or near the top of a mast.
any similar platform raised high above the ground, as a lookout or a station for a traffic officer.
Origin of crow's-nest
First recorded in 1595–1605
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a lookout platform high up on a ship's mast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012