retro-rocket
noun
ret·ro-rock·et ˈre-trō-ˌrä-kət 
: an auxiliary rocket engine (as on a spacecraft) used in decelerating
Word History
First Known Use
1951, in the meaning defined above
- asternest
- astero-
- Asterocalamites
- asterococci
- asterococcus
- asteroid
- asteroid belt
- asteroidal
- Asteroidea
- asteroideae
- asteroidean
- asteroideas
- asteroids
- Asterolecanium
- Asterolepis
- asteropes
- Asterophyllites
- asteroseismologist
- asteroseismologists
- asteroseismology
- Asterospondyli
- asterospondylic
- asterospondylous
- Asterotheca
- Asteroxylaceae