Merriam-Webster's Collegiate® Dictionary, 11th Edition
ROUGE
I. noun see: ruby
Date: 1751
any of various cosmetics for coloring the cheeks or lips red, a red powder consisting essentially of ferric oxide used in polishing glass, metal, or gems and as a pigment,
II. verb (rouged; rouging)
Date: 1777
transitive verb to apply rouge to, to cause to redden, intransitive verb to use rouge