Definition of "walkout"

Thursday’s walkout occurred three weeks after several dozen employees at warehouses that serve Walmart walked off the job in California and Illinois to protest what they said were onerous conditions, including toiling in warehouses that they said sometimes heat up to 120 degrees.

2012 October 5, Steven Greenhouse, “Walmart Workers Stage a Walkout in California”, in The New York Times‎

Despite DoRA [Defence of the Realm Act] being waved about once again, walk-outs did take place on parts of the Great Western Railway in September 1918 - this time predominantly among NUR members.

2020 January 2, Conrad Landin, “Strife and strikes in post-war Britain”, in Rail, pages 51–52

Many people agreed this play did not belong in the festival: this tied with House on Mayhem Street for most walkouts, and was the subject of much angry discussion afterwards.

1986 April 26, Mara Math, “Controversy or Compromise? Feminism Gets Lost Off-stage”, in Gay Community News, page 14

The protest group — conducting a virtual “walkout” of sorts since most Facebook employees are working from home because of the coronavirus pandemic — was one of a number of clusters of employees pressing Facebook executives to take a tougher stand on Mr. Trump’s posts.

2020 June 1, Sheera Frenkel, Mike Isaac, Cecilia Kang, Gabriel J. X. Dance, “Facebook Employees Stage Virtual Walkout to Protest Trump Posts”, in The New York Times‎