What does "petty" mean?

Petty: Little; trifling; inconsiderable; also, inferior; subordinate; as, a petty fault; a petty prince. Denham. Like a petty god I walked about, admired of all. Milton. Petty averages. See under Average. -- Petty cash, money expended or received in small items or amounts. -- Petty officer, a subofficer in the navy, as a gunner, etc., corresponding to a noncommissionned officer in the army. Note: For petty constable, petty jury, petty larceny, petty treason, See Petit.