To make invalid or worthless.
He voided the check and returned it.
To empty.
void one’s bowels
To throw or send out; to evacuate; to emit; to discharge.
to void excrement
To withdraw, depart.
To remove the contents of; to make or leave vacant or empty; to quit; to leave.
to void a table
An act by which something is voided, such as urination.
That which is voided; that which is ejected or evacuated; a remnant; a fragment.