Clue: Aid in gaining an edge

Answer: HONE

Length: 4

---

Similar Clues:

• Angled edge (BEVEL with 5 letters)
• Angled edge, as on a plank (BEVEL with 5 letters)
• Indie ___ (rock snob's edge) (CRED with 4 letters)
• One gaining intelligence, maybe (DECODER with 7 letters)
• Intersecting vaults' edge (GROIN with 5 letters)
• Edge at the junction of two intersecting vaults (GROIN with 5 letters)
• Curved edge formed by intersecting vaults (GROIN with 5 letters)
• "House of Incest" novelist Anaïs (NIN with 3 letters)
• " . . . ___/As is the razor's edge invisible": Shak. (ASKEEN with 6 letters)
• Cutting-edge, informally (POMO with 4 letters)