Related Clues:

• Don't go out on one
• It comes out of a trunk
• Tree branch
• Extremity
• Tree appendage
• Swing support, perhaps
• An arm and a leg
• Life partner?
• Arm, e.g.
• Wing, perhaps
• Precarious spot, figuratively
• Nest's resting place
• An arm and a leg?
• Trunk attachment
• An arm or a leg