A London borough on the south bank of the Thames, the original site of the Royal Greenwich Observatory. The buildings at Greenwich, together with many of the old instruments, now form part of the National Maritime Museum, and reclaimed land at Greenwich forms the site of the Millennium Dome.
Greenwich Mean Time the mean solar time at the Greenwich meridian, adopted as the standard time in a zone that includes the British Isles.
Greenwich meridian the prime meridian, which passes through the former Royal Observatory at Greenwich. It was adopted internationally as the zero of longitude in 1884.
Subjects: Literary Studies (Early and Medieval).