keep pin
1pin — /pin/, n., v., pinned, pinning. n. 1. a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things. 2. a short, slender piece of wire with a point at one end and a head at the other, for fastening things… …
2PIN — /pin/, n. Computers. a number assigned to an individual, used to establish identity in order to gain access to a computer system via an automatic teller machine, a point of sale terminal, or other device. [p(ersonal) i(dentification) n(umber)] *… …
3pin down (someone) — 1. to keep someone from being able to escape by shooting at them. For a time, the crew was pinned down by machine gun fire. 2. to get specific information from someone. It is not easy to pin down a politician who won t even tell you if it s… …
4pin fastener — ▪ machine component a steel pin, usually cylindrical, that can keep machine parts in proper alignment or fasten them together. The illustration shows several types of pin fasteners in common use. Hardened and precisely shaped dowel… …
5Pin-pallet escapement — A Roskopf, pin lever, or pin pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen timers, mantel clocks and, until the 1970s, cheap watches now known as pin lever watches. It …
6pin (fastener) — In mechanical and civil engineering, a peg or bar designed to fasten machine and structural components together or to keep them aligned. Dowel pins are used to keep machine components aligned, sometimes without making a rigid joint (as in a pin… …
7pin — [[t]pɪ̱n[/t]] ♦♦♦ pins, pinning, pinned 1) N COUNT Pins are very small thin pointed pieces of metal. They are used in sewing to fasten pieces of material together until they have been sewn. ...needles and pins... Use pins to keep the braid in… …
8pin — pin1 [ pın ] noun count ** 1. ) a small thin piece of metal with a sharp point, used for holding cloth in place while you are sewing 2. ) a piece of jewelry that you wear on your clothes. British brooch a ) a thin pointed piece of metal worn on… …
9pin — I. /pɪn / (say pin) noun 1. a small, slender, sometimes tapered or pointed piece of wood, metal, etc., used to fasten, or hold things together, to hang things upon, to stop up holes, or to convey or check motion; a bolt; peg. 2. a small, thin… …
10pin down — {v.} 1a. To keep (someone) from moving; make stay in a place or position; trap. * /Mr. Jones leg was pinned down under the car after the accident./ * /The soldier was pinned down in the hole because rifle bullets were flying over his head./ 1b.… …
