sheatfish
noun
sheat·fish
| \ ˈshētˌfish\
Definition of sheatfish
: a large elongated catfish (Silurus glanis) of central and eastern European rivers that may attain a length of 10 feet and a weight of 400 pounds and that lacks an adipose fin and has the long anal nearly confluent with the caudal
broadly
: any of several large catfishes
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