noun the state of being competent; fitness; ability; adequacy; power.
2. competency ·noun legal capacity or qualifications; fitness; as, the competency of a witness or of a evidence.
3. competency ·noun property or means sufficient for the necessaries and conveniences of life; sufficiency without excess.
4. competency ·noun right or authority; legal power or capacity to take cognizance of a cause; as, the competence of a judge or court.