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

• grafters
• graft hybrid
• graft hybrids
• grafting
• graftings
• grafts
• graft-versus-host disease
• graft-versus-host reaction
• Graham
• graham bread
• graham crackers
• graham flour
• Grahams
• Graiae
• grail
• graile
• grails
• grain
• grainage
• grainages
• grain alcohol
• grain alcohols
• grain amaranth
• graine
• grained