positioner

[ puh-zish-uh-ner ]
/ pəˈzɪʃ ə nər /

noun

a person or thing that positions.
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. 2020

Example sentences from the Web for positioner

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