sconce1
n.
a candle holder attached to a wall with an ornamental bracket.
Etymology
ME (orig. denoting a portable lantern): from OFr. esconse ‘lantern’ or med. L. sconsa, from L. absconsa (laterna) ‘dark (lantern)’, from abscondere ‘to hide’.
sconce2
n.
archaic a small fort or earthwork.
Etymology
ME: from Du. schans ‘brushwood’, from Mid. High Ger. schanze.