Plug

plug, n. a b/oik *u p,-g u-cd to stop a hide — v.t to stop with a plug to drive plugs into - pr p. plugging pa.t and pa p plugged [Put plug, a bung, a peg (Sw plugg, a peg, Go p flock], must proh of Celtic ongin, as in Ir Gael., and \V, plot See Block Plugging, plug'itig, the act of stopping with a plug the material of which a plug is made