<p><strong>Noun:</strong></p><ul><li>Chiefly British: A person who gains a livelihood by searching for iron, coal, old ropes, etc., in mud or low tide.</li><li>Chiefly British (Informal): A street urchin.</li><li>Either of two black and white birds, Grallina cyanoleuca, of Australia, or G. bruijni, of New Guinea, that builds a large, mud nest.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>To grub or play in mud.</li></ul>