A model or type of machinery or device which precedes the current (or later) one. Usually used to describe an earlier, outdated model.
One who precedes; one who has preceded another in any state, position, office, etc.; one whom another follows or comes after, in any office or position.
A vertex having a directed path to another vertex
The next heir in order or succession.
A person or thing that immediately follows another in holding an office or title.
The integer, ordinal number or cardinal number immediately following another.
A person who inherits a title or office.