A tapering body that shoots up or out to a point in a
   conical or pyramidal form. Specifically (Arch.), the roof of a tower
   when of a pyramidal form and high in proportion to its width; also, the
   pyramidal or aspiring termination of a tower which can not be said to
   have a roof, such as that of Strasburg cathedral; the tapering part of
   a steeple, or the steeple itself.