stylebook
noun
style·book ˈstī(-ə)l-ˌbu̇k 
: a book explaining, describing, or illustrating a prevailing, accepted, or authorized style
Example Sentences
Recent Examples on the Web As the stylebook says: Many other countries lack an arbiter like the NBER. 
WSJ, 9 Aug. 2022 Our default on the matter is our base dictionary, Webster’s New World College 5th, but the Journal stylebook has exceptions. WSJ, 5 Apr. 2022 So, his preference and Laura’s and the stylebook’s is autistic people. WSJ, 10 Mar. 2022 Many of these examples are in the stylebook and most are also reflected in the Tansa spell-checker. WSJ, 5 Apr. 2022 It's also supposed to be lowercase, not uppercase, according to the Associated Press stylebook. Doyle Rice, USA TODAY, 7 Mar. 2022 Chiu described the regulation as a sort of stylebook entry for Hong Kong journalists. Timothy Mclaughlin, The Atlantic, 19 Feb. 2022 Overall, Paul explained, some editors still insisted that common sense was more important than a stylebook. WSJ, 1 Feb. 2022 These 9/11-related style items are in the WSJ stylebook. WSJ, 8 Sep. 2021 See More
WSJ, 9 Aug. 2022 Our default on the matter is our base dictionary, Webster’s New World College 5th, but the Journal stylebook has exceptions. WSJ, 5 Apr. 2022 So, his preference and Laura’s and the stylebook’s is autistic people. WSJ, 10 Mar. 2022 Many of these examples are in the stylebook and most are also reflected in the Tansa spell-checker. WSJ, 5 Apr. 2022 It's also supposed to be lowercase, not uppercase, according to the Associated Press stylebook. Doyle Rice, USA TODAY, 7 Mar. 2022 Chiu described the regulation as a sort of stylebook entry for Hong Kong journalists. Timothy Mclaughlin, The Atlantic, 19 Feb. 2022 Overall, Paul explained, some editors still insisted that common sense was more important than a stylebook. WSJ, 1 Feb. 2022 These 9/11-related style items are in the WSJ stylebook. WSJ, 8 Sep. 2021 See More Word History
First Known Use
1708, in the meaning defined above