As used in this subchapter:
(1) “Joint tortfeasor” means two (2) or more persons or entities who may have joint liability or several liability in tort for the same injury to person or property, whether or not judgment has been recovered against all or some of them; and
(2) “Several liability” means that each person or entity is liable only for the amount of damages allocated to that defendant in direct proportion to that defendant's percentage of fault.