aligners

/əˈlaɪnərz/
noun
  1. Plural of aligner; multiple people or things that arrange something in a straight line or correct position.
    • These laser aligners are used for precise measurements.
    • The aligners worked together to set up the stage.
    • The factory uses robotic aligners for assembly.
  2. Plural of aligner; multiple clear plastic dental devices used to straighten teeth.
    • You should clean your aligners every morning.
    • She keeps her old aligners in a special case.
    • The orthodontist gave him a set of 20 aligners.
What does "aligners" mean? | whatsthatwordmean | whatsthatwordmean