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widener

noun

  1. device used to widen something
L48259 on Wikidata ↗

Wiktionary

name

  1. A surname.
  2. A town in St. Francis County, Arkansas, United States.

noun

Etymology: Etymology tree English widen English -er English widener From widen + -er.

  1. Any device used to widen something; especially a drill designed to produce a hole greater than its own diameter.