/spaɪə/
noun
The stalk or stem of a plant.A young shoot of a plant; a spear.Any of various tall grasses, rushes, or sedges, such as the marram, the reed canary-grass, etc.A sharp or tapering point.A tapering structure built on a roof or tower, especially as one of the central architectural features of a church or cathedral roof.The top, or uppermost point, of anything; the summit.A tube or fuse for communicating fire to the charge in blasting.verb
(of a seed, plant etc.) to sprout, to send forth the early shoots of growth; to germinate.To grow upwards rather than develop horizontally.To furnish with a spire.