0 a pin used for fastening things, especially cloth, which has a round end into which the sharp point fits, so that it is covered and cannot stick into you --
1 a pin with a round end to hold the sharp point, so that it will not stick you and will stay fastened --
Their descendant, the modern safety pin, remains in use today.
He has a safety pin stuck through his left ear.
Some tubes contain a safety pin to prevent inserting the tube too deeply.
It has a safety pin and safety lever with a safety clip attached to the safety lever.
The safety pin for the fuse and the three removable plugs for the detonators are clearly visible.
While being handled and during the planting of the mine a safety pin prevented the spring from accidentally triggering the fulminating charge.
They often have a metal pin back or a safety pin style back.
The user pulled the safety pin from the fuse assembly and threw the bottle against the target.
