The Collaborative International Dictionary
Silurus glanis
Sheatfish \Sheat"fish`\, n. [Cf. dial. G. scheid, schaid, schaiden.] (Zo["o]l.) A European siluroid fish ( Silurus glanis) allied to the cat-fishes. It is the largest fresh-water fish of Europe, sometimes becoming six feet or more in length. See Siluroid.
Silurus glanis
Siluroid \Si*lu"roid\, n. [Silurus + -oid.] (Zo["o]l.) Belonging to the Siluroidei, or Nematognathi, an order of fishes including numerous species, among which are the American catfishes and numerous allied fresh-water species of the Old World, as the sheatfish ( Silurus glanis) of Europe. -- n. A siluroid fish.