Meaning of mudlark

mud•lark

Pronunciation: (mud'lärk"), [key]
— n.
  1. a person who gains a livelihood by searching for iron, coal, old ropes, etc., in mud or low tide.
  2. a street urchin.
  3. either of two black and white birds, Grallina cyanoleuca, of Australia, or G. bruijni, of New Guinea, that builds a large, mud nest.
—v.i.
  1. to grub or play in mud.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.