noun Ty·los·urus \ˌtīləˈsu̇rəs\

Definition of Tylosurus

  1. :  a genus of needlefishes (family Belonidae) including commercially important food fishes

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Origin and Etymology of tylosurus

New Latin, irregular from Greek tylos callus, pad, knob + New Latin -urus; from the structure of the caudal keel — more at thole

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feeling or affected by lethargy

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