| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
pin (pɪn) ![]() | |
| —n | |
| 1. | a. a short stiff straight piece of wire pointed at one end and either rounded or having a flattened head at the other: used mainly for fastening pieces of cloth, paper, etc, esp temporarily |
| b. (in combination): pinhole | |
| 2. | cotter pin hairpin panel pin rolling pin short for safety pin |
| 3. | an ornamental brooch, esp a narrow one |
| 4. | a badge worn fastened to the clothing by a pin |
| 5. | something of little or no importance (esp in the phrases not careorgive a pin (for)) |
| 6. | a peg or dowel |
| 7. | anything resembling a pin in shape, function, etc |
| 8. | (in various bowling games) a usually club-shaped wooden object set up in groups as a target |
| 9. | cotter pin, Also called: safety pin a clip on a hand grenade that prevents its detonation until removed or released |
| 10. | nautical |
| a. See belaying pin | |
| b. the axle of a sheave | |
| c. the sliding closure for a shackle | |
| 11. | music a metal tuning peg on a piano, the end of which is inserted into a detachable key by means of which it is turned |
| 12. | surgery a metal rod, esp of stainless steel, for holding together adjacent ends of fractured bones during healing |
| 13. | chess a position in which a piece is pinned against a more valuable piece or the king |
| 14. | golf the flagpole marking the hole on a green |
| 15. | a. the cylindrical part of a key that enters a lock |
| b. the cylindrical part of a lock where this part of the key fits | |
| 16. | wrestling a position in which a person is held tight or immobile, esp with both shoulders touching the ground |
| 17. | a dovetail tenon used to make a dovetail joint |
| 18. | (in Britain) a miniature beer cask containing 4½ gallons |
| 19. | informal (usually plural) a leg |
| 20. | (Irish) be put to the pin on one's collar to be forced to make an extreme effort |
| —vb , pins, pinning, pinned | |
| 21. | to attach, hold, or fasten with or as if with a pin or pins |
| 22. | to transfix with a pin, spear, etc |
| 23. | informal ( |
| 24. | chess to cause (an enemy piece) to be effectively immobilized by attacking it with a queen, rook, or bishop so that moving it would reveal a check or expose a more valuable piece to capture |
| 25. | Also: underpin to support (masonry), as by driving in wedges over a beam |
| [Old English pinn; related to Old High German pfinn, Old Norse pinni nail] | |
pin (pĭn)
n.
A thin rod for securing the ends of fractured bones.
A peg for fixing the crown to the root of a tooth.
pin definition
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pin (so's) definition
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| PIN personal identification number |