squinch /ˈskwɪnʧ/
 突角拱


 Squinch n.  Arch. A small arch thrown across the corner of a square room to support a superimposed mass, as where an octagonal spire or drum rests upon a square tower; -- called also sconce, and sconcheon.

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 squinch
      n : a small arch built across the interior angle of two walls
          (usually to support a spire)
      v 1: crouch down
      2: draw back, as with fear or pain; "she flinched when they
         showed the slaughtering of the calf" [syn: flinch, funk,
          cringe, shrink, wince, recoil, quail]
      3: partly close one's eyes; "The children squinted to frighten
         each other" [syn: squint, cross one's eyes]