pneumatic drillpneuˌmatic ˈdrill noun [countable] 
a jackhammer
a jackhammer- Monrovia
- Monsignor
- monsoon
- monster
- monster truck
- monstrosity
- monstrous
- monstrously
- montage
- Montaigne, Michel Eyquem de
- Montana
- montane
- Montauk
- Mont Blanc
- Montenegro
- Montesquieu, Charles, Baron de
- Montessori, Maria
- Montevideo
- Montezuma
- Montezuma's revenge
- Montgolfier, Joseph Michel
- Montgomery
- month
- monthly
- Monticello