double-nickel

[ duhb-uh l-nik-uh l ]
/ ˈdʌb əlˈnɪk əl /

noun Slang.

the national speed limit of 55 miles per hour as established in 1974 on U.S. highways.

Origin of double-nickel

First recorded in 1975–80

Words nearby double-nickel

double-jointed, double-knit, double-lock, double-masked experiment, double-minded, double-nickel, double-o, double-park, double-quick, double-reed, double-ring