a tall, acutely pointed pyramidal roof or rooflike construction upon a tower, roof, etc.

a similar construction forming the upper part of a steeple.

a tapering, pointed part of something; a tall, sharp-pointed summit, peak, or the like

the distant spires of the mountains.

the highest point or summit of something

the spire of a hill; the spire of one's profession.

a sprout or shoot of a plant, as an acrospire of grain or a blade or spear of grass.

to shoot or rise into spirelike form; rise or extend to a height in the manner of a spire.

noun

apex , blade , cone , curl , peak , pinnacle , point , shoot , spear , sprout , stalk , steeple , summit , top , tower