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)

• grounden
• grounder
• grounders
• ground-feeder
• ground-feeders
• ground floor
• ground floors
• ground frost
• ground game
• ground glass
• groundhog
• Groundhog Day
• groundhogs
• ground-hold
• groundhopper
• groundhoppers
• ground ice
• grounding
• groundings
• ground ivies
• ground ivy
• ground-ivy
• groundless
• groundlessly
• groundlessness