volplane /volˈplān/ (aeronautics)

1. To glide down to earth in an aeroplane with the engine shut off
2. To glide to earth

A descent of this kind

• sphagnologists
• sphagnology
• sphagnous
• sphagnum
• sphagnums
• sphairistike
• sphairistikes
• sphalerite
• sphalerites
• sphear
• spheare
• sphendone
• sphendones
• sphene
• sphenes
• sphenic
• Sphenisciformes
• Spheniscus
• Sphenodon
• Sphenodons
• sphenogram
• sphenograms
• sphenoid
• sphenoidal
• sphenoids