spaceship

noun4

1. •
   A manned vehicle that flies through space.
2. •
   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.

   • If we reverse the positions of $a and $b, the spaceship will sort in the opposite order[…] — 2012
3. •
   (slang) A computer.
4. •
   A finite pattern that reappears after a certain number of generations in the same orientation but in a different position.

   • The spaceships look like a row of threshers harvesting a field of wheat; the thickness in the direction of motion is only about 10 cells. — 1989