whin noun2. 
[wɪn] Chiefly 
Scot. & 
north. LME.[Prob. of Scandinavian origin: cf. Swedish hven, Old Danish hvine, hvinegræs, Norwegian hvine, applied to certain grasses.]Gorse, 
Ulex europaeus; a gorse-bush. Also (with specifying word), any of several other prickly shrubs.
petty whin: see 
PETTY adjective. 
 [TahlilGaran] English Dictionary ▲