| VISE | A device consisting of two parallel jaws for holding a workpiece; one of the jaws is fixed and the other movable by a screw, a lever, or a cam. When used for holding a workpiece during hand operations |
| TONGS | A device consisting of two arms connected by a hinge, pivot for grasping things |
| SLIDERULE | A mechanical calculating device consisting of two strips, one moving along a central groove in the other (5,4) |
| ANKH | A device consisting of a looped bar with a shorter crossbar, used in ancient Egypt as a symbol of li |
| STINGER | A device consisting of a spiked metal ribbon that is placed across a road by police to stop vehicles by puncturing their tyres. (7) |
| SIEVING | Using a device consisting of wire or plastic mesh held in a frame, for (in gardening) separating coarser from finer particles, such as soil or compost (7) |
| CHUCK | A device that holds a workpiece in a lathe or tool in a drill (5) |
| NORIA | Device consisting of a series of buckets on a wheel, used for raising water. |
| MANDREL | A spindle in a lathe to which a workpiece is fixed while being turned; a jeweller's tapering triblet on which rings are shaped or sized; or, a miner's pick (7) |
| TROPIC | Either of two parallel lines of latitude north or south of the equator (6) |
| CHIASMI | Reversal of the order of words in the second of two parallel phrases. (7) |
| GRAPNEL | Device consisting of a multiple hook attached to one end of a rope that is thrown over a mooring to secure an object (7) |
| KEYBOARD | Device consisting of a set of keys on a piano or organ or typewriter (8) |
| ZIP | Fastening device operated by means of two parallel rows interlocking teeth |
| CHIASMUS | Reversal of the second of two parallel phrases |
| ZOETROPE | Motion simulation device consisting of a drum with slits containing a set of still images (8) |
| WORMGEAR | Device consisting of a threaded shaft and a gearwheel (4,4) |
| ANALOGY | A simile- or metaphor-like literary device consisting of a comparison between things in order to explain or clarify an idea (7) |
| ABACUS | Counting device consisting of a frame holding rods to which are attached free-moving beads (6) |
| RATCHET | Mechanical device consisting of a toothed wheel with a pawl that lets it move in only one direction (7) |
