public telephone; pay phone
public toilet; public restroom
public lavatory; public toilet; public restroom; slut; whore; floozy
public health; public hygiene; sanitation
public telephone booth; phone box
public booth; public kiosk
public transmission rights (e.g. putting copyrightable material on the web, etc.)
public message handling service
public line (as opposed to a private or leased line)
Public Health Emergency of International Concern (formal WHO declaration); PHEIC
GNU General Public License