Definition of spaceships:
(n) :
(astronautics) A manned vehicle that flies through space.
(n) :
(slang) A computer.
(n) :
(cellular automata) A finite pattern that reappears after a certain number of generations in the same orientation but in a different position.
(n) :
(programming) The operator <=> in certain programming languages, which compares two values and indicates whether the first is lesser than, greater than, or equal to the second.