ash/æʃ; æʃ/n 1 [U] the grey powder that is left after something has burned 灰﹐灰烬: cigarette ash 烟灰2 ashes [plural 复数] the powder that remains after a dead body has been CREMATED (=burned) 骨灰3 [C,U] a type of tree that grows in forests in Britain and North America 梣﹐白蜡树