a small arch built across the interior angle of two walls (usually to support a spire)
source: WordNet 3.0
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.
source: Webster 1913
verb
crouch down
source: WordNet 3.0
draw back, as with fear or pain
She flinched when they showed the slaughtering of the calf.