English

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Etymology 1

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barren +‎ -er (relational noun suffix)

Noun

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barrener (plural barreners)

  1. A barren animal, one that cannot bear young.
    • 1865, Journal of the Royal Agricultural Society of England, page 266:
      For the purpose of more fully investigating the causes of barrenness, I have examined the ovaries of several heifers which were, after very careful trial, condemned and killed as barreners [...]

Etymology 2

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barren +‎ -er (comparative suffix)

Adjective

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barrener

  1. comparative form of barren: more barren