Dictionary.com has 88 definitions of "strike"

[zlana]

Here are two relevant ones (emphasis mine):

41. to leave off (work) or stop (working) as a coercive measure, or as at the close of the day.
42. (of a union or union member)
a. to declare or engage in a suspension of (work) until an employer grants certain demands, such as pay increases, an improved pension plan, etc

Comments

[alierak]

See alternative opinion from one of the former coworkers to whom I gave a perm acct.