What does Medical JIA stand for? Hop on to get the meaning of JIA. The Medical Acronym /Abbreviation/Slang JIA means Juvenile Idiopathic Arthritis. by AcronymAndSlang.com
Staff (music) In standard Western musical notation, the staff, or stave, [1] is a set of five horizontal lines and four spaces that each represent a different musical pitchâor, in the case of a percussion staff, different percussion instruments.
staff1. 1  a group of persons, as employees, charged with carrying out the work of an establishment or executing some undertaking. 2  a group of assistants to a manager, superintendent, or executive. 3  a member of a staff.