Meaning of ASH in English

(POWDER) [noun] [U] - the soft grey or black powder that is left after a substance, esp. tobacco, coal or wood, has burntcigar/cigarette ashWhen volcanoes erupt, they throw out a lot of ash which consists of fine particles of lava.Ash blond/blonde describes the colour of hair which is very pale yellow, almost white, and also refers to a person with such hair.She's an ash-blonde.He has ash-blond hair.Ash Wednesday, the first day of Lent, is named after the Christian tradition of drawing a cross on the front of the head with holy ashes.

Cambridge English vocab.      Кембриджский английский словарь.