air·ship 
(ârshĭp′)
(ârshĭp′)n.
A self-propelled lighter-than-air craft with directional control surfaces. Also called dirigible.
- sphere of influence
- spheric
- spherical
- spherical aberration
- spherical angle
- spherical coordinate
- spherical excess
- spherical geometry
- spherically
- sphericalness
- spherical polygon
- spherical triangle
- spherical trigonometry
- sphericity
- spherics
- spherics
- spherics
- sphero-
- spheroid
- spheroidal
- spheroidally
- spheroidic
- spheroidicity
- spherometer
- spheroplast