The flat plate which forms the top of the furnace or firebox of an internally fired steam boiler.

One of the bars which support the crown sheet of a steam-boiler furnace.

An early type of window glass made by blowing glass into a hollow globe (crown) and then flattening it on a punty, reheating and spinning out into a flat disk by centrifugal force.

(astronomy) A spurious circle around the true circle of the Sun.

The topmost branch or tine of an antler. / An antler having a cup-like top, with tines springing from the rim.

plural of half-crown

Alternative form of half-crown / (bingo) twenty-six

plural of half-a-crown

(Christianity) The crown made of a thorny plant that Christ was forced to wear before his Crucifixion, in mocking reference to his alleged status as ‘king of the Jews’, or a representation of this.

(historical) An English gold coin of the reign of James I, worth four shillings.