vermination /vɜː(ɹ)mɪˈneɪʃən/ noun2 •(no longer used) The generation or breeding of vermin.As Seigneur Redi was one of the first that made it his business to discard anomalous generation, so he tried more experiments relating to the vermination of serpents — 1713 •(no longer used) A griping pain of the bowels. formsverminations