Term: crash barrier: a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents
Broader: barrier: a structure or object that impedes free movement | Unrelated: time frame: a time period during which something occurs or is expected to occur
Broader: barrier: a structure or object that impedes free movement | Unrelated: rollerblader: a skater who uses Rollerblades
Broader: barrier: a structure or object that impedes free movement | Unrelated: ageratum: any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers
Broader: barrier: a structure or object that impedes free movement | Unrelated: bombshell: a shocking surprise
Broader: barrier: a structure or object that impedes free movement | Unrelated: declaration: a statement that is emphatic and explicit (spoken or written)
Broader: barrier: a structure or object that impedes free movement | Unrelated: sound pressure: the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point
Broader: barrier: a structure or object that impedes free movement | Unrelated: myometritis: inflammation of the myometrium
Broader: barrier: a structure or object that impedes free movement | Unrelated: item: a distinct part that can be specified separately in a group of things that could be enumerated on a list
Broader: barrier: a structure or object that impedes free movement | Unrelated: imitation: the doctrine that representations of nature or human behavior should be accurate imitations
Broader: barrier: a structure or object that impedes free movement | Unrelated: fire: a fireplace in which a relatively small fire is burning