safety bike

bicycle that has two wheels of equal size; pedals are connected to the rear wheel by a multiplying gear ;

safety blitz

(American football) defensive players try to break through the offensive line ;

safety bolt

a bolt that cannot be moved from outside the door or gate ;

safety catch

guard consisting of a locking device that prevents a weapon from being fired ;

safety curtain

a fireproof theater curtain to be dropped in case of fire ;

safety deposit box

a fireproof metal strongbox (usually in a bank) for storing valuables ;

safety device

a device designed to prevent injury ;

safety factor

the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use ;

safety feature

feature of an artifact that is added to insure a user's safety ;

safety fuse

an electrical device that can interrupt the flow of electrical current when it is overloaded ; a slow-burning fuse consisting of a tube or cord filled or saturated with combustible matter; used to ignite detonators from a distance ;

safety glass

glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering ;

safety harness

belt attaching you to some object as a restraint in order to prevent you from getting hurt ;

safety hat

a lightweight protective helmet (plastic or metal) worn by construction workers ;

safety island

a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians ;

safety isle

a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians ;

safety lamp

an oil lamp that will not ignite flammable gases (methane) ;

safety lock

a bolt that cannot be moved from outside the door or gate ; guard consisting of a locking device that prevents a weapon from being fired ;

safety margin

the margin required in order to insure safety; "in engineering the margin of safety is the strength of the material minus the anticipated stress" ;

safety match

a paper match that strikes only on a specially prepared surface ;

safety net

a large strong net to catch circus acrobats who fall or jump from a trapeze ; a guarantee of professional or financial security ;

safety nut

supplementary nut that is screwed down on a primary nut to prevent it from loosening ;

safety pin

a pin in the form of a clasp; has a guard so the point of the pin will not stick the user ;

safety rail

a railing placed alongside a stairway or road for safety ;

safety razor

a razor with a guard to prevent deep cuts in the skin ;

safety squeeze

the runner on third base waits to start home until the batter has bunted successfully ;

safety squeeze play

the runner on third base waits to start home until the batter has bunted successfully ;

safety valve

a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level ;

safety zone

a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians ;

safflower

thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil ;

safflower oil

oil from seeds of the safflower plant ; oil from safflower seeds used as food as well as in medicines and paints ;

safflower seed

seed of the safflower ;

saffranine

any of a class of chiefly red organic dyes ;

saffron

a shade of yellow tinged with orange ; dried pungent stigmas of the Old World saffron crocus ; Old World crocus having purple or white flowers with aromatic pungent orange stigmas used in flavoring food ;

saffron crocus

Old World crocus having purple or white flowers with aromatic pungent orange stigmas used in flavoring food ;

safranin

any of a class of chiefly red organic dyes ;

safranine

any of a class of chiefly red organic dyes ;

sag

a shape that sags; "there was a sag in the chair seat" ;

saga

a narrative telling the adventures of a hero or a family; originally (12th to 14th centuries) a story of the families that settled Iceland and their descendants but now any prose narrative that resembles such an account ;

sagaciousness

the trait of forming opinions by distinguishing and evaluating ; the mental ability to understand and discriminate between relations ;

sagacity

the trait of forming opinions by distinguishing and evaluating ; the mental ability to understand and discriminate between relations ;