Herstmonceux(redirected from Herstmonceaux)
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a village in S England, in E Sussex north of Eastbourne: 15th-century castle, site of the Royal Observatory, which was transferred from Greenwich between 1948 and 1958, until 1990
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Herstmonceux(herst -mŏn-soo) Former site, in East Sussex, of the Royal Greenwich Observatory.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006