spire

Short definition from Wiktionary

Noun

1. 1
   The stalk or stem of a plant.
2. 2
   A young shoot of a plant; a spear.
3. 3
   Any of various tall grasses, rushes, or sedges, such as the marram, the reed canary-grass, etc.
4. 4
   A sharp or tapering point.
5. 5
   A tapering structure built on a roof or tower, especially as one of the central architectural features of a church or cathedral roof.
6. 6
   The top, or uppermost point, of anything; the summit.
7. 7
   A tube or fuse for communicating fire to the charge in blasting.
8. 8
   One of the sinuous foldings of a serpent or other reptile; a coil.
9. 9
   A spiral.
10. 10
    The part of a spiral generated in one revolution of the straight line about the pole.

Verb

1. 1
   to sprout, to send forth the early shoots of growth; to germinate.
2. 2
   To grow upwards rather than develop horizontally.
3. 3
   To furnish with a spire.
4. 4
   To breathe.