noun Syn·dy·oc·er·as \ˌsindēˈäsərəs\

Definition of Syndyoceras

  1. :  a genus of extinct ungulates from the Miocene of Nebraska related to Protoceras and having a skull with two pairs of horns curving toward each other

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Origin and Etymology of syndyoceras

New Latin, from Greek syndyo two together (from syn- + dyo two) + New Latin -ceras — more at two

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