- 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.
Meaning of 'squinch' (Princeton's WordNet)
1 . squinch
[ v]
Meaning (1): - draw back, as with fear or pain
Example in sentence:
she flinched when they showed the slaughtering of the calf
Meaning (2): - cross one's eyes as if in strabismus