What does "refute" mean?

Refute: To disprove and overthrow by argument, evidence, or countervailing proof; to prove to be false or erroneous; to confute; as, to refute arguments; to refute testimony; to refute opinions or theories; to refute a disputant. There were so many witnesses in these two miracles that it is impossible to refute such multitudes. Addison. See Confute.