Definition

**Definitions** 
 * Ailerons
 * Air pressure
 * Air craft
 * Airfoil
 * Archimedes' Principle
 * Attitude
 * Basket
 * Bernoulli's Principle
 * Buoyancy
 * Control Surfaces
 * Dihedral Angle
 * Drag
 * Elevator
 * Envelope
 * Fuselage
 * Gliders
 * Gravity
 * Lift
 * Pitch
 * Rocket
 * Roll
 * Rudder
 * Shroud lines
 * Stability
 * Terminal Velocity
 * Thrust
 * Vacuum
 * Weight
 * Yaw

