noun Achae·no·don \ə-ˈkē-nə-ˌdän\

Definition of Achaenodon

  1. :  a genus of extinct Eocene piglike mammals related to Entelodon

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Origin and Etymology of achaenodon

New Latin, from 2a- + Greek chainein to yawn + New Latin -odon — more at yawn

First Known Use: 1883

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a trip made at another's expense

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