definition 1: a tall, narrow, cone-shaped roof or upward projection on a building or outer wall; steeple; pinnacle.
example: Construction crews at the World Trade Center hoisted a flag-bedecked spire to the top of the site’s signature One World Trade Center building Thursday.
definition 2: a similarly shaped natural growth, as in a new shoot of grass.
“An ook comth of a litel spire” (Chaucer, Troilus ii, 1335 [Middle English])
“How humble ought man to be, who cannot make a single spire of grass.” (unknown)