Proper noun
A hamlet in Stratton parish, west Dorset, England (OS grid ref SY6394).
A civil parish in Ryedale district, North Yorkshire, England, served by Gilling East with Cawton, Coulton and Grimstone Parish Council (OS grid ref SE6174).
Alternative form: Grimston (for places within the parish - Grimston Moor, Grimston Grange etc.)
Braddon's later and better-remembered work, Aurora Floyd (printed in 1863 novel form, but serialized in 1862-63 citation ), also features a compelling detective in the person of Detective Grimstone of Scotland Yard. Source: Internet
Grimstone started by saying that over the last 20 years China has started to play a much more active role in the world. Source: Internet