Also called worm. the helical ridge of a screw.
a full turn of the helical ridge of a screw.
the helical ridge on a screw formed by a die or lathe tool
adjective 1. (of a container) having a top that screws on. noun 2. a top that can be screwed onto a container. 3. a container having such a top.
noun, Slang. 1. a mistake or blunder: The package was delayed through an addressing screwup. 2. a habitual blunderer.
noun 1. a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver. 2. a threaded cylindrical pin or rod with a head at one end, engaging a threaded hole and used either as a […]
noun 1. the larva of any of certain flies of the genus Callitroga, which sometimes infests wounds and the nose and navel of domestic animals and humans. noun 1. the larva of a dipterous fly, Callitroga macellaria, that develops beneath the skin of living mammals often causing illness or death 2. the fly producing this […]