1. A rocket fired for test purposes
   - test rocket, test instrument vehicle

Derived forms: research rockets

Type of: projectile, rocket

• put on airs
• put on the line
• put one across
• put one over
• put option
• put out feelers
• put over
• put right
• put the cart before the horse
• put the cat among the pigeons
• put through
• put to death
• put to sleep
• put to work
• put together
• put under
• put-down
• put-on
• put-put
• put-up
• put-up job
• put-upon
• putamen
• putative
• putatively