Definition of maddock in US English:

maddock

noun

English Regional, East Asian
  • A maggot.

Origin

Middle English; earliest use found in Sawles Warde. Ultimately from the Germanic base of mathe + a diminutive suffix; compare Middle Low German mēdeke, Old Icelandic maðkr, Danish maddike, Swedish mask. It is uncertain whether the Middle English word is a loan from early Scandinavian, or represents the continuation of a native item unattested in Old English, or alternatively is an independent diminutive formation in Old English or Middle English.

Pronunciation

maddock

/ˈmadək/