plural noun Agon·i·dae \ə-ˈgä-nə-ˌdē\

Definition of Agonidae

  1. :  a family of small slender fishes (order Scleroparei) having the body covered with overlapping striated often spiny plates

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Origin and Etymology of agonidae

New Latin, from Agonus, type genus + -idae

First Known Use: 1879

Seen and Heard

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a trip made at another's expense

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