Related Clues:

• Its rings tell time
• Elm or oak
• Item for some surgeons
• Lumber source
• Place for a clutch
• Branch headquarters
• Fit one within another
• Inspiration for Kilmer
• Llano rarity
• It may be lined with down
• Nidus
• It may go out on a limb
• Plum or gum
• Starting point for a flight test?
• Bird sanctuary