hardwood (hard|wood)

noun

• 1the wood from a broadleaved tree (such as oak, ash, or beech) as distinguished from that of conifers: all hardwood should be treated with stain preservative [count noun]: their import of tropical hardwoods
• [count noun] a broadleaved tree that produces hardwood: the land isn’t fertile enough for hardwoods [as modifier]: hardwood forests

• 2(in gardening) mature growth on shrubs and other plants: [as modifier]: hardwood cuttings are usually taken in winter