Related Clues:

• Reduce gradually
• Part of a Christmas decoration
• Come to a head?
• Lessen gradually
• Grow narrower
• Diminish gradually
• Make a point
• Come to the point
• Decrease gradually
• Narrow down
• Thin out
• Do some tailoring
• Icicle feature
• Flare's opp.
• Spire or obelisk, e.g.