noun Ac·an·tho·des \-ˈthō(ˌ)dēz\

Definition of Acanthodes

  1. :  a genus of small slender possibly degenerate fishes having generalized toothless jaws and a single small dorsal fin and found in the Carboniferous and Permian formations

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Origin and Etymology of acanthodes

New Latin, from Greek akanthōdēs thorny, spiny, from akanth- acanth- + -ōdēs -ode

First Known Use: 1834

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to criticize severely

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