1. Sloping downward away from a common crest

Antonym: synclinal

• hokey-cokey
• hokey-pokey
• Hokkaido
• Hokkianese
• hokum
• Hokusai
• holandric gene
• Holarrhena
• Holarrhena antidysenterica
• Holarrhena pubescens
• Holbein
• Holbein the Elder
• Holbein the Younger
• Holbrookia
• Holcus
• razzle-dazzle
• razzmatazz
• Rb
• RBC
• rbi
• RCMP
• RDP
• re
• re-afforest
• re-afforestation