To breathe.

A slender stalk or blade in vegetation; as, a spire grass or
of wheat.

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.

The top, or uppermost point, of anything; the summit.

To shoot forth, or up in, or as if in, a spire.

A spiral; a curl; a whorl; a twist.

The part of a spiral generated in one revolution of the
straight line about the pole. See Spiral, n.