[spahyuh
r] 
noun, verb, spired, spir⋅ing.| 1. | a tall, acutely pointed pyramidal roof or rooflike construction upon a tower, roof, etc. |
| 2. | a similar construction forming the upper part of a steeple. |
| 3. | a tapering, pointed part of something; a tall, sharp-pointed summit, peak, or the like: the distant spires of the mountains. |
| 4. | the highest point or summit of something: the spire of a hill; the spire of one's profession. |
| 5. | a sprout or shoot of a plant, as an acrospire of grain or a blade or spear of grass. |
| 6. | to shoot or rise into spirelike form; rise or extend to a height in the manner of a spire. |
[spahyuhr] | 1. | a coil or spiral. |
| 2. | one of the series of convolutions of a coil or spiral. |
| 3. | Zoology. the upper, convoluted part of a spiral shell, above the aperture. |