stove pipe
v.— «In short, Apple had the sort of confusion present at most older organizations, where databases grew up with stove-piped or isolated islands of proprietary automation.» —“In The New Era Of Systems Architecture, Apple Is Mr. (Frank Lloyd) Wright” by Sally Atkins Open Systems Today Sept. 20, 1993. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...