si·lu·rid (sĭ-lŏŏr'ĭd, sī-) adj. Of or belonging to the family Siluridae, which includes various freshwater catfishes of Europe and Asia, typically having a short dorsal fin and a long anal fin. n. A silurid fish.
[From New Latin Silūridae, family name, from Latin silūrus, a large freshwater fish, from Greek silouros, sheatfish; see ors- in Indo-European roots.]