graben /gräˈbən/ (geology)

A rift valley (qv under rift¹)

• mouldboard
• mouldboards
• mould-candle
• mould-candles
• moulded
• moulder
• mouldered
• mouldering
• moulders
• mould-facing
• mouldier
• mouldiest
• mouldiness
• mouldinesses
• moulding
• moulding board
• moulding boards
• mouldings
• mould-loft
• mould-lofts
• mould-made
• moulds
• mouldwarp
• mouldwarps
• mouldy