usage: the bodily process of discharging waste matter
Verb
1. invalidate, annul, quash, void, avoid, nullify, cancel, strike down
usage: declare invalid; "The contract was annulled"; "void a plea"
2. void, empty
usage: clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of something; "The chemist voided the glass bottle"; "The concert hall was voided of the audience"