any member of the plant family Fagaceae, characterized by trees and shrubs having alternate, usually toothed or lobed leaves, male flowers in catkins and female flowers either solitary or in clusters and bearing a nut enclosed in a cupule or bur, including the beeches, chestnuts, and oaks.
Origin: before 900; Middle English beche,Old English bēce < Germanic *bōkjōn-; akin to Old Saxon, Middle Low German boke,Dutch beuk,Old High German buohha (German Buche), Old Norse bōk,Latin fāgus beech, Doric Greek phāgós,Albanian bung oak (apparently not akin to book)
O.E. bece "beech," from P.Gmc. *bokjon (cf. O.N. bok, Ger. Buche, M.Du. boeke "beech"), from PIE base *bhagos (cf. Gk. phegos "oak," L. fagus "beech," Rus. buzina "elder"), perhaps with a ground sense of "edible" (and connected with the root of Gk. phagein "to eat;" see