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 Usually used to describe an earlier, outdated model.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
An offshoot.
A fictional work where the protagonist was introduced in a preceding work or at least shares the same setting, often in a different aspect.
By-product.
The formation of a subsidiary company that continues the operations of part of the parent company; the company so formed.
An incidental benefit or unexpected pay-off.