Definitions
1.nounThe common people; the commonalty
2.nounThe joint possession of a set of attributes or characteristics.
3.nounSuch a shared attribute or characteristic
4.nounA quality that applies to materiel or systems: (a) possessing like and interchangeable parts or characteristics enabling each to be utilized, or operated and maintained in common; (b) having interchangeable repair parts and/or components; (c) applying to consumable items interchangeably equivalent without adjustment.