GREENLAW (a "grassy hill"), a village of Berwickshire, Scotland. Pop. (1931) 528. It is situated on the Blackadder, 624 m. S.E. of Edinburgh by the L.N.E. railway. Rebuilt in the 17th century, it takes the place of an older settlement a mile to the south-east. It was the county town from 1696 to 1853, sharing this dignity with Duns for some time afterwards. About 3 m. south is Hume castle, founded in the 13th century. It changed hands fre quently during border strife. Pop. of civil parish (1931) 889.