manta /manˈtə/

1. A blanket
2. A cloak
3. A horse-cloth
4. A mantlet (fortification)
5. (with cap) a type of gigantic fish with winglike fins and a whiplike tail
6. A giant ray or sea-vampire (also called manta ray)

• observationally
• observation car
• observation cars
• observation post
• observation posts
• observations
• observative
• observator
• observatories
• observators
• observatory
• observe
• observed
• observer
• observers
• observes
• observing
• observingly
• obsess
• obsessed
• obsesses
• obsessing
• obsession
• obsessional
• obsessionally