yellow boy

Noun

 * 1)  A gold coin; a guinea or sovereign.
 * 2)  Iron(III) hydroxide, a yellow-orange solid found in acidic water from mining projects.
 * 1)  Iron(III) hydroxide, a yellow-orange solid found in acidic water from mining projects.
 * 1)  Iron(III) hydroxide, a yellow-orange solid found in acidic water from mining projects.