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The definition of rover

5 Definitions of: rover

1. noun, a person who roves; wanderer
2. noun, archery a mark selected at random for use as a target
3. noun, croquet a ball that has been driven through all the hoops but has not yet hit the winning peg
4. noun, Australian rules football one of the three players in the ruck, usually smaller than the other two, selected for his agility in play
5. noun, a small remote-controlled vehicle which roams over rough, esp extraterrestrial, terrain taking photographs, gathering rock and soil samples, etc
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1. noun, a pirate or pirate ship
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1. noun, a machine for roving wool, cotton, etc, or a person who operates such a machine
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Synonyms:	wander, traveller, Gypsy, rolling stone, rambler, transient, nomad, itinerant, ranger, drifter	And more...

From Collins