Ash is the grey or black powdery substance that is left after something is burnt. You can also refer to this substance as ~es.
A cloud of volcanic ~ is spreading across wide areas of the Philippines...
He brushed the cigarette ~ from his sleeve...
N-UNCOUNT: also N in pl
A dead person’s ~es are their remains after their body has been cremated.
N-PLURAL: usu poss N
An ~ is a tree that has smooth grey bark and loses its leaves in winter.
Ash is the wood from this tree.
The rafters are made from ~.