| Answer | Crossword Clue |
|---|---|
| aerobus | a type of monorail that is suspended by an overhead cable |
| aerobuses | AEROBUS, a type of monorail that is suspended by an overhead cable |
| aerobusses | AEROBUS, a type of monorail that is suspended by an overhead cable |
| helicopter | A type of aircraft that derives both lift and propulsion from one or two sets of horizontally revolving overhead rotors. It is capable of moving vertically and horizontally, the direction of motion being controlled by the pitch of the rotor blades |
| helicopters | A type of aircraft that derives both lift and propulsion from one or two sets of horizontally revolving overhead rotors. It is capable of moving vertically and horizontally, the direction of motion being controlled by the pitch of the rotor blades |
