gy·ro·plane 
(jīrə-plān′)
(jīrə-plān′)n.
An aircraft, such as a helicopter or autogyro, equipped with wings that rotate about an approximately vertical axis.
- cosmic noise
- cosmic ray
- cosmic ray air shower
- cosmic string
- cosmid
- cosmo
- cosmo-
- cosmochemical
- cosmochemist
- cosmochemistry
- cosmogenic
- cosmogonic
- cosmogonical
- cosmogonically
- cosmogonist
- cosmogony
- cosmographer
- cosmographic
- cosmographical
- cosmographically
- cosmography
- cosmologic
- cosmological
- cosmological constant
- cosmologically