culmen /kulˈmen/

1. The highest point
2. The top ridge of a bird's bill

• pearlinesses
• pearling
• pearlings
• pearlins
• pearlised
• pearlite
• pearlites
• pearlitic
• pearlized
• pearl millet
• pearl millets
• pearl mussel
• pearl mussels
• pearl onion
• pearl onions
• pearl oyster
• pearl oysters
• pearl-powder
• pearls
• pearl-sago
• pearl-shell
• pearl-sheller
• pearl-shellers
• pearl-shelling
• pearl-shells