n.
Variant: also span · dril
Pronunciation: ' span-dr ə l
Function: noun
Etymology: Middle English spandrell, from Anglo-French spaunder, from espandre to spread out ― more at SPAWN
Date: 15th century
1 : the sometimes ornamented space between the right or left exterior curve of an arch and an enclosing right angle
2 : the triangular space beneath the string of a stair
S spandrel 1