Plug

plug, n. a block or peg used to stop a hole: a bung: a stopper: a branch from a water-pipe to supply a hose: a flat cake of tobacco: any worn-out or usele article: ( slang ) a silk hat.— v.t. to stop with a plug: to drive plugs into:— pr.p. plug′ging; pa.t. and pa.p. plugged.— ns. Plug′ger , one who, or that which, plugs, esp. a dentist's instrument for filling a hollow tooth; Plug′ging , the act of stopping with a plug: the material of which a plug is made; Plug′-ug′ly , a street ruffian.— Fire plug , a contrivance by means of which a hose can be fixed to a water-main in case of fire. [Dut. plug , a bung, a peg (Sw. plugg , a peg, Ger. pflock ); most prob. Celt., as in Ir., Gael., and W. ploc .]