1. An explosive mine designed to destroy ships that bump into it
   - marine mine

Type of: mine

• dull-purple
• dull-white
• dull-witted
• dullard
• dulled
• Dulles
• dullish
• dullness
• dullsville
• dully
• dulse
• Duluth
• duly
• Duma
• Dumas
• dumb
• dumb bomb
• dumb cane
• dumb down
• dumb show
• dumbass
• dumbbell
• dumbfound
• dumbfounded
• dumbfounding