[al.der] n [ME, fr. OE alor; akin to OHG elira alder, L alnus] (bef. 12c): any of a genus (Alnus) of toothed-leaved trees or shrubs of the birch family that have catkins which become woody, that grow in moist ground, and that have wood used in turnery
ALDER
Meaning of ALDER in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012