potlatch, also potlach /potˈlach/

1. In NW USA, a Native American winter festival, the occasion for emulation in extravagant gift-giving and, in one tribe, even property-destruction
2. Any feast or gift (informal)

• diamond anniversaries
• diamond anniversary
• diamondback
• diamondback moth
• diamondback moths
• diamondbacks
• diamond-beetle
• diamond-beetles
• diamond bird
• diamond birds
• Diamond-Blackfan anaemia
• Diamond-Blackfan anaemias
• diamond-cut
• diamond cut diamond
• diamond dove
• diamond doves
• diamond-drill
• diamond-drills
• diamond-dust
• diamonded
• diamond-field
• diamond-fields
• diamond-hitch
• diamond-hitches
• diamondiferous