Definition: Meaning of, Greenwich in English to English dictionary.
Pronunciation:/ ˈɡrɛnɪtʃ;ˈɡrɪnɪdʒ /
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an area of southeast London on the River Thames. The original British Royal OBSERVATORY (= a special building from which scientists watch the moon, stars etc) is there, and the MERIDIAN (= an imaginary line which divides the eastern and western halves of the world) passes through the grounds of the Observatory.
the British national OBSERVATORY (= a place where scientists study the stars), which was established in the 17th century, in GREENWICH, South London, although it was moved away from there after World War II and it is now in Cambridge. The 0° MERIDIAN (= an imaginary line that divides the east part of the world from the west) passes through the building in GREENWICH.