A standard screw thread allowing a light bulb to be screwed into its socket.

plural of Edison screw

(slang) A state of insanity or eccentricity. / (slang, archaic) A state of enmity or disagreement.

(military) A steel stake, used for barbed-wire defences, the lower half of which is corkscrew shaped, to enable it to be screwed into the ground.

plural of screw picket

plural of colour screw

plural of color-screw

plural of color screw

plural of foot screw

plural of Robertson screw