Related Clues:

• Beat one's ___ (jabber)
• Roofs of mouths
• Pleased with oneself returning with mouthy types
• Mouths' roofs
• Change symbols, in math
• Symbols of change
• Oral-care concern
• Windbags beat them
• They are often shielded
• They are shielded in the ring
• Brackish water locales
• Sticks that set one's teeth on edge?
• River systems approaching the sea could become salted
• Foreign characters lasted with difficulty
• River areas