Safety pin
Safety chain Safety chain (a) (Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing. (b) An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the watch. (c) A chain of sheet metal links with an elongated hole through each broad end, made up by doubling the first link on itself, slipping the next link through and doubling, and so on. [Webster 1913 Suppl.]

{Safety arch} (Arch.), a discharging arch. See under {Discharge}, v. t.

{Safety belt}, a belt made of some buoyant material, or which is capable of being inflated, so as to enable a person to float in water; a life preserver.

{Safety buoy}, a buoy to enable a person to float in water; a safety belt.

{Safety cage} (Mach.), a cage for an elevator or mine lift, having appliances to prevent it from dropping if the lifting rope should break.

{Safety lamp}. (Mining) See under {Lamp}.

{Safety match}, a match which can be ignited only on a surface specially prepared for the purpose.

{Safety pin}, a pin made in the form of a clasp, with a guard covering its point so that it will not prick the wearer.

{Safety plug}. See {Fusible plug}, under {Fusible}.

{Safety switch}. See {Switch}.

{Safety touchdown} (Football), the act or result of a player's touching to the ground behind his own goal line a ball which received its last impulse from a man on his own side; -- distinguished from touchback. See {Touchdown}. Same as {safety}

{Safety tube} (Chem.), a tube to prevent explosion, or to control delivery of gases by an automatic valvular connection with the outer air; especially, a bent funnel tube with bulbs for adding those reagents which produce unpleasant fumes or violent effervescence.

{Safety valve}, a valve which is held shut by a spring or weight and opens automatically to permit the escape of steam, or confined gas, water, etc., from a boiler, or other vessel, when the pressure becomes too great for safety; also, sometimes, a similar valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere, to prevent collapse. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • safety pin — safety pins N COUNT A safety pin is a bent metal pin used for fastening things together. The point of the pin has a cover so that when the pin is closed it cannot hurt anyone. ...trousers which were held together with safety pins …   English dictionary

  • safety pin — n a metal pin for fastening things together. The point of the pin fits into a cover so that it cannot hurt you …   Dictionary of contemporary English

  • safety pin — safety ,pin noun count a curved pin with a cover that the sharp point goes into when it is fastened …   Usage of the words and phrases in modern English

  • safety pin — ► NOUN ▪ a pin with a point that is bent back to the head and is held in a guard when closed …   English terms dictionary

  • safety pin — n. a pin bent back on itself so as to form a spring, and having the point covered and held with a guard …   English World dictionary

  • Safety pin — A safety pin. A safety pin is a simple fastening device, a variation of the regular pin which includes a simple spring mechanism and a clasp. The clasp serves two purposes: to form a closed loop thereby properly fastening the pin to whatever it… …   Wikipedia

  • 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 — /sayf tee pin /, v.t., safety pinned, safety pinning. to secure or affix with a safety pin: to safety pin a child s mittens to his coat sleeve. [1915 20] * * * …   Universalium

  • safety-pin — /sayf tee pin /, v.t., safety pinned, safety pinning. to secure or affix with a safety pin: to safety pin a child s mittens to his coat sleeve. [1915 20] …   Useful english dictionary

  • safety pin — UK / US noun [countable] Word forms safety pin : singular safety pin plural safety pins a curved pin with a cover that the sharp point goes into when it is fastened …   English dictionary

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