Earthship

Etymology
. In the architectural sense,.

Noun

 * 1)  A solar-heated house made of natural and recycled materials, such as earth-filled tyres.
 * 2)  The Earth, considered as a spaceship moving through space.
 * 3)  A spaceship originating from or belonging to Earth.
 * 1)  The Earth, considered as a spaceship moving through space.
 * 2)  A spaceship originating from or belonging to Earth.