(Informal) A former (usually divorced) spouse.
One that formerly held a specified position or place; especially; a former spouse

(Combining form) Former.

1. Out of; outside
2. Not
3 [Middle English, from Late Latin, from Latin]; former

1 example
2 exchange
3 executive
4 express
5 extra

Exodus

1. Out of; from: as from a specified place or source; from a specified dam
2. Free from; without: as without an indicated value or right — used especially of securities; free of charges precedent to removal from the specified place with purchaser to provide means of subsequent transportation