A "small nook" refers to a small, cozy and enclosed space usually found in a corner of a room. It's a small area that can be used for various purposes like reading, relaxing or storage. Full definition
They are flooded with sunlight; full of small nooks and crannies, overhangs, and bigger cavelettes, crevasses, etc; covered with soft corals, sponges and offer the greatest diversity of gorgonian fans in Bali. (aquamarinediving.com)
The space is divided by glass partitions and breaks the large area into smaller nooks. (singleflyer.com)
As elementary schools build common learning areas adjacent to classrooms, architects are incorporating small nooks — some with beanbag chairs — where younger students can sit and work independently on their devices. (nsba.org)