Related Clues:

• It's at the river's end
• A kind of add on
• Corner shape
• 90 degree pipe joint
• Connection with a bend
• Kay's follower?
• Certain wing
• Letter afer kay
• Right-angled joint
• Sort of extension
• Mouth's locale
• Capital of Laos
• 90 degree turn
• Land at a river's mouth
• Capital of Liberia?