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 Usually used to describe an earlier, outdated model.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
Prior; occurring before something else, either in time or order.
Premature; acting or occurring too soon.
An existing criminal record (short for "previous convictions")
A track record of similar behaviour.