n. A lantern with a protecting shade; a dark lantern; any lantern.n. A candlestick having the form of a bracket projecting from a wall or column; also, a group of such candlesticks, forming, with an appliqué or flat, somewhat ornamented disk or plaque which seems to adhere to the wall, a decorative object. These were most commonly of brass during the years when sconces were most in use.n. The socket for the candle in a candlestick of any form, especially when having a projecting rim around it.n. A cover; a shelter; a protection; specifically, a screen or partition to cover or protect anything; a shed or hut for protection from the weather; a covered stall.n. A work for defense, detached from the main works for some local object; a bulwark; a block-house; a fort, as for the defense of a pass or river.n. A cover or protection for the head; a headpiece; a helmet.n. Hence The head; the skull; the cranium, especially the top of it.n. Brains; sense; wits; judgment or discretion.n. A mulct; a fine. See sconce, v. t., 3.n. A seat in old-fashioned open chimney-places; a chimney-seat.n. A fragment of an ice-floe.To fortify or defend with a sconce or block-house.Same as ensconce.To assess or tax at so much per head; mulct; fine; specifically, in the universities of Oxford and Cambridge, to put the name of in the college buttery-books by way of fine; mulct in a tankard of ale or the like for some offense. See the quotations.