pons asinorum

noun pons asi·no·rum \ˈpänz-ˌa-sə-ˈnȯr-əm\

Definition of pons asinorum

  1. :  a critical test of ability or understanding; also :  stumbling block

Origin and Etymology of pons asinorum

New Latin, literally, asses' bridge, name applied to the proposition that the base angles of an isosceles triangle are equal

First Known Use: 1645

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