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definitions

pencil beam

noun

a cone-shaped radar beam.

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Nearby words

  1. pencel,
  2. penchant,
  3. penchi,
  4. penché,
  5. pencil,
  6. pencil box,
  7. pencil cedar,
  8. pencil crayon,
  9. pencil gate,
  10. pencil pusher

Origin of pencil beam

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019