heuch or heugh /hūhh/ (Scot)

1. A crag
2. A ravine or steep-sided valley
3. A quarry-face
4. An excavation, esp for coal

• orogen
• orogeneses
• orogenesis
• orogenetic
• orogenic
• orogenic belt
• orogenic belts
• orogenies
• orogens
• orogeny
• orographic
• orographical
• orographically
• orographies
• orography
• oroide
• oroides
• orological
• orologies
• orologist
• orologists
• orology
• oropesa
• oropesas
• oropharynx