noun Gyr·acan·thus \¦jir, ¦jīr +\

Definition of Gyracanthus

  1. :  a genus of acanthodian fishes of the Carboniferous known solely from large round sculptured spines

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Origin and Etymology of gyracanthus

New Latin, from gyr- + -acanthus

Seen and Heard

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a trip made at another's expense

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