- pin
- 1
noun (C)
1 FOR CLOTH a short thin piece of metal with a sharp point at one end, used especially for fastening together pieces of cloth while making clothes2 JEWELLERYa) AmE an attractively shaped piece of metal, sometimes containing jewels, that you fasten to your clothes and wear as a decoration; brooch BrEb) BrE a short thin piece of metal with a decoration at one end, used as jewellery3 ELECTRICAL one of the pieces of metal that sticks out of an electric plug: a three-pin plug4 FOR SUPPORT a thin piece of metal or wood used as a support for something, or to fasten things together: When I broke my leg, I had to have a pin inserted.5 GAMES one of the bottle-shaped objects that you try to knock down in a game of bowling6 you could hear a pin drop spoken used to say that it is very quiet and no one is speaking7 for two pins I'd ... BrE old-fashioned used to say that you would like to do something to someone because they have annoyed you: For two pins, I'd tell him to get lost.8 pins (plural) BrE informal legs—see also: drawing pin, pin money, pins and needles, rolling pin, safety pin 2 verb pinned, pinning1 (transitive always + adv/prep) to fasten something somewhere, or to join two things together, using a pin: pin sth together: Pin the pieces together before sewing them. | pin sth to/on/onto: Can you pin this to the notice board?2 pin your hopes on to hope that something will happen or someone will help you, because all your plans depend on this: Chris is pinning his hopes on getting into Yale.3 pin the blame on to blame someone for something, often unfairly: It's your fault - don't try to pin the blame on me!4 (transitive always + adv/prep) to make someone unable to move by putting a lot of pressure or weight on them: pin sb to/under: Inthe accident she was pinned under the car.5 pin your ears back! BrE spoken used to tell someone to listen carefullypin sb/sth down phrasal verb (T)1 to make someone give clear details or make a definite decision about something: I've been trying to pin him down all week, but he won't say what's going on.2 to understand something clearly or be able to describe it exactly: We know someone's been stealing, but it's difficult to pin down who it is.
Longman dictionary of contemporary English. 2004.