Related Clues:

• Spat mate
• Party to a defense pact
• Flockhart's McBeal
• Friendly nation
• Wartime comrade
• Political friend
• A good friend indeed
• Paper towel measure
• Tissue layer, e.g.
• Treaty signatory
• Close associate
• Travel a route regularly
• Great Britain, vis-a-vis the United States
• Two- -- (double-layer)
• Friend in need, perhaps