retrofire
verbEtymology From retro- + fire.
1
To fire rockets of a craft in the direction opposite to its direction of motion in order to slow down.
retrofire
nounEtymology From retro- + fire.
1
The firing of rockets directed opposite to a craft's direction of motion in order to slow down.
- The spaceship needs to turn around so its retrofire rockets slow it down and put it in a lower orbit.