Lightvessel No. 18, of Dowsing Station, was taken out of service in 1987 and served in 1999 as a radio station for Radio North Sea International, off Harwich, Essex as part of a fundraising drive for RLNI[?], the Royal National Lifeboat Institution[?].
... several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family.
Of the more specific uses of the term, the most common include:
1. ...