Search Result for "space probe":
Wordnet 3.0

NOUN (1)

1. a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation; 



The Collaborative International Dictionary of English v.0.48:

space probe \space" probe\, n.
   an unmanned rocket carrying instruments to explore objects or
   conditions in outer space; -- used mostly for vehicles
   travelling beyond the earth's gravitational field, rather
   than in orbital or suborbital flight.
   [PJC]


WordNet (r) 3.0 (2006):

space probe
    n 1: a rocket-propelled guided missile that can escape the
         earth's atmosphere; makes observations of the solar system
         that cannot be made by terrestrial observation