noun
medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath
• Syn: ↑common alder, ↑Alnus glutinosa, ↑Alnus vulgaris
• Hypernyms: ↑alder, ↑alder tree
• Member Holonyms: ↑Alnus, ↑genus Alnus
Useful english dictionary. 2012.