noun, noun which may take the genitive case particle 'no'
open access; open shelves
Library term for a system where patrons can browse and retrieve books directly from the shelves, as opposed to closed stacks.
This library uses an open-stack system.
You can freely pick up books from the open shelves.
Compound of 開 (open) and 架 (shelf/rack), referring to open shelving in libraries.