Reference meaning
double-nickel
Last updated
The national speed limit of 55 miles per hour introduced in the USA in 1974.
Other meanings
2. noun
The number 55 (by extension).
3. verb
To travel at 55 miles per hour.
Source and scope
This definition is reproduced from English Wiktionary, sense en-double-nickel-en-noun-mijGbv0j, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.