| nematognath | <zoology> One of the Nematognathi. Source: Websters Dictionary (01 Mar 1998) |
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| nematognathi | <zoology> An order of fishes having barbels on the jaws. It includes the catfishes, or siluroids. See Siluroid. Origin: NL. See nemato-, and Gnathic. Source: Websters Dictionary (01 Mar 1998) |