Spire, n. [L. spira coil, twist; akin to Gr. ���: cf. F. spire.] 1. A spiral; a curl; a whorl; a twist. Dryden.
2. (Geom.) The part of a spiral generated in one revolution of the straight line about the pole. See Spiral, n.
Spire bearer. (Paleon.) Same as Spirifer.