1. The established value of the monetary unit of one country expressed in terms of the monetary unit of another country using the same metal as the standard of value; the face amount of an instrument of value (as a check or note): as the monetary value assigned to each share of stock in the charter of a corporation; the principal of a bond
2. Common level; equality — usually used with on
3. An amount taken as an average or norm; an accepted standard; specifically; a usual standard of physical condition or health

(In golf) The standard number of strokes set for each hole on a golf course, or for the entire course

To make a score (on a hole) equal to par; in golf.