Definition of "spire" [spire]

• A top part or point that tapers upward; a pinnacle. (noun)
• A structure or formation, such as a steeple, that tapers to a point at the top. (noun)
• A slender, tapering part, such as a newly sprouting blade of grass. (noun)
• To furnish with a spire. (verb-transitive)
• To rise and taper steeply. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "‘drop’; ‘wreathe’ and ‘writhe’; ‘spear’ and ‘spire’ (“the least _spire_ of grass”, South); ‘trist’ and ‘trust’; ‘band’, ‘bend’ and ‘bond’;"
• "It will drive a 55 grain spire point at 3900 fps with H414."
• "You can read more about why the spire is twisted here."