(sewing) A pin in the form of a clasp, which has a guard to cover the sharp point; used to join two pieces of fabric, etc., together temporarily.

(management, operations) Additional inventory planned to buffer against the variability in supply and demand plans, that could otherwise result in inventory shortages.

Any type of glass, such as toughened glass, laminated glass or wire mesh glass, with additional safety features that make it less likely to break, or less likely to pose a threat when broken.

(engineering) The ratio of the maximum stress or load which something can withstand to the stress or load which it was designed to withstand under normal operation.

Alternative form of safety valve

A latching device that prevents accidental activation of a dangerous event; an interlock.

(motor racing) A vehicle employed to lead the competitors in an auto race for the duration of a few laps, with the intention of restricting their speed while a hazard exists on the circuit.

(Britain, informal, derogatory, humorous) occupational health and safety, or the Health and Safety Executive

plural of safety-valve

An area of roadway from which traffic is excluded so as to provide safety for pedestrians; a traffic island.