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)

• calandria
• calandrias
• calanthe
• calanthes
• Calanus
• calash
• calashes
• calathea
• calatheas
• calathi
• calathus
• calavance
• calavances
• calc-
• calcanea
• calcaneal
• calcanean
• calcanei
• calcaneum
• calcaneus
• calcar
• calcarate
• calcar avis
• calcareous
• calcareous tufa