madtom

[mad-tom]
noun
  1. any of several tadpolelike, freshwater catfishes of the genus Noturus, of the central and eastern U.S., having a poisonous pectoral spine: some are threatened or endangered.

Origin of madtom

An Americanism dating back to 1895–1900; mad + tom
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for madtom

Historical Examples of madtom