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seeker

 - 2 dictionary results

seek⋅er

[see-ker]
–noun
1. a person or thing that seeks.
2. Rocketry.
a. a device in a missile that locates a target by sensing some characteristic of the target, as heat emission.
b. a missile equipped with such a device.

Origin:
1300–50; ME; see seek, -er 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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seek·er   (sē'kər)   
n.  
  1. One that seeks: a seeker of the truth.

  2. A device used in a moving object, especially a missile, that locates a target by detecting light, heat, or other radiation.

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