Definition of voiding :
1. of Void
2. Receiving what is ejected or voided.
3. That which is voided; that which is ejected or evacuated; a remnant; a fragment.
4. The act of one who, or that which, vids.
body waste, excretion, abatement, annulment, elimination, excretory product, negation, defeasance, rescindment, excrement, riddance, avoidance, invalidation, cancellation, abolishment, nullification, liquidation, reasoning by elimination, repeal, voidance, quashing, dissolution, evacuation, abrogation, excreta, excreting
leaving (part of speech: verb)