• synonyms


  1. a person or thing that positions.
  2. Orthodontics. a removable device of resilient plastic material worn in the mouth usually during sleep to produce minor adjustments in the position of teeth after straightening appliances have been taken off.
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Origin of positioner

First recorded in 1930–35; position + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for positioner

Historical Examples

  • A positioner hooked a line to the ship and pulled it quickly into the repair bins.

    The Sex Life of the Gods

    Michael Knerr