apply within
1. noun A set phrase indicating that one can enter a particular business (such as a store) and submit an application for employment there. It typically appears on a sign posted on the door or window of the business. The sign outside says "apply within," so here I am! Can I have an application?
2. verb To enter a particular business (such as a store) and submit an application for employment there. If you're interested in working there, you can apply within.
apply within
to ask about something [inside some place]. (Usually part of a sign or announcement posted outside a place.) The sign outside the office read, "Apply within." If you are interested in working here, please apply within.