rule book

See also: rulebook and rule-book

English

Noun

rule book (plural rule books)

1. Alternative spelling of rulebook
   • 2022 April 20, “Network News: RSSB to explore new terms to replace 'pilotman'”, in RAIL, number 955, page 16:

     The not-for-profit organisation, whose primary purpose is to improve health and safety, publishes the railway Rule Book, along with standards for infrastructure, rolling stock and other aspects.

References

• “rule book”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.