meerschaum /mērˈshəm or -showm/

1. A fine light whitish clay, sepiolite, once supposed to be a petrified sea-scum
2. A tobacco pipe made of it

• Tunker
• Tunku
• tunnage
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• tunnel diode
• tunnel diodes
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• tunneler
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• tunnel of love
• tunnels
• tunnels of love
• tunnel vault
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• tunnies