truth window
n.— «A truth window is a common thing that’s built into these rice straw buildings, because actually when they are covered with stucco it’s very difficult to tell, other than the very sort of soft look that the building has.» —“Listener Builds Straw Bale Winery” by Frederica Churchill Living on Earth Nov. 29, 1996. (source: Double-Tongued Dictionary)
Further reading
What’s up with ketchup? The shifting history and spelling of the name of this condiment. For centuries, ketchup was a fishy sauce originating in Asia—the tomatoes came only later! Plus, a new book shows what’s lost when a language dies: when there...
La verdad de la milanesa, literally “the truth of the milanesa,” is an Argentine Spanish expression meaning “the real truth.” One possible origin involves a dispute over whether the breaded meat dish milanesa comes from Italy or Austria. Another...