1. Sloping downward toward each other to create a trough

Antonym: anticlinal

• Dumas
• dumb
• dumb bomb
• dumb cane
• dumb down
• dumb show
• dumbass
• dumbbell
• dumbfound
• dumbfounded
• dumbfounding
• dumbly
• dumbness
• dumbo
• dumbstricken
• dumbstruck
• dumbwaiter
• dumdum
• dumdum bullet
• dumdum fever
• Dumetella
• Dumetella carolinensis
• dumfound
• dumfounded
• dumfounding