right to work

Short definition from Wiktionary

Noun

1. 1
   The human right (the right of an individual) to have gainful employment.
2. 2
   The prohibition of union security agreements or closed shops; the prohibition of the requirement that those who take on work in a unionised shop join the union or pay it for representing them.
3. 3
   Used other than figuratively or idiomatically: see right, work.