privateline

noun
UK /ˈpraɪvət laɪn/
US /ˈpraɪvət laɪn/

A private line is a phone line that only one person or family can use.

The doctor gave her a private line so patients could reach her directly.


OTHER MEANINGS

2. A secret or exclusive way to contact someone.

The manager shared his private line with only a few trusted staff.

3. A separate railway track owned by a company rather than the public railway.

The factory had a private line to bring in coal.

4. A personal boundary that others should not cross.

Please respect my private line and don't ask about my family.