Examples: screw in a Sentence. 1 a : a simple machine of the inclined plane type consisting of a spirally grooved solid cylinder and a correspondingly grooved hollow cylinder into which it fits. verb (used without object) to turn as or like a screw . to be adapted for being connected, taken apart, opened, or closed by means of a screw or screws or parts with helical threads (usually followed by on, together, or off): This top screws on easily. to turn or move with a twisting or rotating motion. A or bargainer. To fasten, tighten, or attach by means of a screw or similar fastener. To attach (a tapped or threaded fitting or cap) by twisting into place. To rotate (a part) on a threaded axis. Vulgar Slang To have sexual intercourse with. heree attached by means of the threads of a screw …

Definition of screw - a short, slender, sharp-pointed metal pin with a raised helical thread running round it and a slotted head, used to join things to 1. countable noun. A screw is a metal object similar to a nail, with a raised spiral line around it. You turn a screw using a screwdriver so that it goes through two things, for example two pieces of wood, and fastens them together. Each bracket is fixed to the wall with just three screws . The definition of a screw is a piece of metal with a threaded surface and a point on one end and a slotted head that is twisted hererate and fasten two things together. An example of a screw is the pointy piece of metal you use to attach shelves to a wall. verb.