Definition of spire

• v. i. - To breathe.
• n. - A slender stalk or blade in vegetation; as, a spire grass or of wheat.
• n. - 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.
• n. - A tube or fuse for communicating fire to the chargen in blasting.
• n. - The top, or uppermost point, of anything; the summit.
• v. i. - To shoot forth, or up in, or as if in, a spire.
• n. - A spiral; a curl; a whorl; a twist.
• n. - The part of a spiral generated in one revolution of the straight line about the pole. See Spiral, n.