Scrub
<B>1.</B> As a verb, to wash the hands and forearms very thoroughly, as before engaging in surgery.
To scrub implies the use of a brush (and often an implement to clean under the nails).
To scrub, to scrub in (on a surgical procedure), and to scrub up are synonymous.<BR><B>2.</B> As a noun, a person who scrubs, as for surgery.<BR><B>3.</B> As an adjective, pertaining to scrubbing in for surgery, as a scrub nurse or a scrub tech