whin

[hwin, win] /ʰwɪn, wɪn/
noun, Chiefly British
1.
any thorny or prickly shrub, especially gorse.
Origin
1375-1425; late Middle English whynne, apparently < Scandinavian; compare Icelandic hvīngras bent grass, Danish hvene, Swedish (h)ven
British Dictionary definitions for whin

whin1

/wɪn/
noun
1.
another name for gorse
Word Origin
C11: from Scandinavian; compare Old Danish hvine (græs), Norwegian hvine, Swedish hven

whin2

/wɪn/
noun
1.
short for whinstone
Word Origin
C14: quin, of obscure origin