What's the "een" in Halloween?
1840, of faces. Related: Squinched; squinching.
To distort the face; squint: The eyes are squinched with innocence and glint (1840+)
in architecture, any of several devices by which a square or polygonal room has its upper corners filled in to form a support for a dome: by corbelling out the courses of masonry, each course projecting slightly beyond the one below; by building one or more arches diagonally across the corner; by building in the corner a niche with a half dome at its head; or by filling the corner with a little conical vault that has an arch on its outer diagonal face and its apex in the corner