Definition of "Staff" :
noun: a strong rod or stick with a specialized utilitarian purpose
"He walked with the help of a wooden staff."
noun: (music) the system of five horizontal lines on which the musical notes are written
noun: a rod carried as a symbol
noun: the body of teachers and administrators at a school
"The dean addressed the letter to the entire staff of the university."
noun: personnel who assist their superior in carrying out an assigned task
"The hospital has an excellent nursing staff."
noun: building material consisting of plaster and hair; used to cover external surfaces of temporary structure (as at an exposition) or for decoration
verb: provide with staff
"This position is not always staffed."
verb: serve on the staff of
"The two men staff the reception desk."