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(architecture) A dome-shaped ornamental structure located on top of a larger roof or dome.
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(military, railroad) A small turret, usually on a hatch of an armoured fighting vehicle.
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(geology) An upward-projecting mass of plutonic rock extending from a larger batholith.
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(geometry) A solid formed by joining two polygons, one (the base) with twice as many edges as the other, by an alternating band of isosceles triangles and rectangles.
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A type of furnace used for smelting.
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(anatomy) A small cap over a structure that is shaped like a dome or inverted cup.
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(railways, Canada, dated) a small viewing window in the top of the caboose for looking over the train, or the part of the caboose where one looks through this window.
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A body of members of the Sicilian Mafia who make decisions and settle disputes.