1. (noun)gorse, furze, whin, Irish gorse, Ulex europaeus very spiny and dense evergreenshrub with fragrant golden-yellow flowers; common throughout westernEurope
2. (noun)woodwaxen, dyer's greenweed, dyer's-broom, dyeweed, greenweed, whin, woadwaxen, Genista tinctoria smallEurasianshrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental
3. (noun)whinstone, whin any of various hard colored rocks (especially rocks consisting of chert or basalt)