English Explanatory Dictionary

double-nickel

English dictionary entry

Meanings

noun
  1. The national speed limit of 55 miles per hour introduced in the USA in 1974.
  2. The number 55 (by extension).
verb
  1. To travel at 55 miles per hour.

Word forms

double-nickel double-nickels double-nickeling double-nickelling double-nickeled double-nickelled

Etymology

From trucker slang in the 1970s referring to the national 55 mph speed limit, based on nickel (“five-cent coin”).

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