Any of several trees or shrubs of the genus Alnus, belonging to the birch family.
Inherited from Middle English aldre, alder, aller, from Old English alor, from Proto-West Germanic *aluʀu, from Proto-Germanic *aluz, *alusō, *alizō, *alisō.
Esercitati a parlare e a memorizzare " alder " e molte altre parole e frasi in inglese .