(mineralogy) A soft bismuth-oxygen-fluorine mineral.

Any dung beetle that excavates below a pile of dung

To remove the layer of scum from (a liquid etc.). / To remove (something) as scum. / To become covered with scum. / (obsolete) To scour (the land, sea etc.). / (obsolete) To gather together, as scum.

(slang, US, southeast) get along