- guard pin
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Horol.(in a lever escapement) a pin on the lever, meeting the safety roller in such a way as to prevent the lever from overbanking. See diag. under lever escapement.[1875-80]
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Universalium. 2010.
guard pin
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safety pin — noun a pin in the form of a clasp; has a guard so the point of the pin will not stick the user • Hypernyms: ↑pin * * * noun, pl ⋯ pins [count] : a metal pin that is used for attaching things and that has a point at one end and a cover at the… … Useful english dictionary
safety pin — safe′ty pin n. a pin bent back on itself to form a spring, with a guard to cover the point • Etymology: 1855–60 safe′ty pin , v.t. pinned, pin•ning … From formal English to slang
