1. 1. One that roves; a wanderer.
   2. A crewed or uncrewed vehicle, used especially in exploring the terrain of a planet and its satellites.
2. Sports. A mark in archery selected by chance.

1. A pirate.
2. A pirate vessel.

[Middle English, from Middle Dutch or Middle Low German, robber, from roven, to rob.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.