(spīr) noun
1. The tapering or pyramidal roof of a tower; a pinnacle; also, loosely, a steeple.
2. A slender stalk or blade.
3. The summit or tapering end of anything; a sharp point.
—v. spired, spir·ing v.t.
1. To furnish with a spire or spires.
—v.i.
2. To shoot or point up in or as in a spire.
3. To put forth a spire or spires; sprout. [OE spīr a stalk, stem]
—spired adjective
SPIRE

(spīr) noun
1. A spiral or a single turn of one; whorl; twist.
2. The portion of a spiral formed by a single revolution about the central point.
3. Zool. The convoluted portion of a spiral shell. [<F <L spira <Gk. speira coil]
—spired adjective