The phrase "jail guards" refers to the people who work in prisons or correctional facilities to supervise and ensure the safety of the inmates. They are responsible for maintaining order and preventing escapes. Full definition
For example, there won't be enough turnover in jail guards to total nearly $ 2 million. (news.wbfo.org)
Former NYC Jail guard union boss Norman Seabrook, charged with alleged corruption, at his home in the Bronx on June 9. (nypost.com)
Seelig says Ponte wants to keep Seabrook in place as union boss because Seebrook's being the target of a probe keeps him from fighting on behalf of city jail guards. (nypost.com)