verb

1. To make invalid or worthless.

   “He voided the check and returned it.”

2. To empty.

   “void one’s bowels”

3. To throw or send out; to evacuate; to emit; to discharge.

   “to void excrement”

Synonyms: evacuate, annul, cancel

noun

1. An act by which something is voided, such as urination.

2. That which is voided; that which is ejected or evacuated; a remnant; a fragment.