ash

Ash is:

The solid residue left after something has burned, usually wood and plant material (such as tobacco). It consists mainly of carbonates and bicarbonates of metals in the original organic material - the metals that primarily compose the ash of the analytical chemistry meaning.
In analytical chemistry, ash is one of the components in the proximate analysis of biological materials.
Rocky material ejected from a volcano; see Volcanic ash.
A genus of trees (Fraxinus); see Ash tree.
In Old English, a letter named after the tree; see .

In Egyptian mythology, the hawk-god of the Sahara Desert; see As (god).
The main hero of the Pokmon television series; see Ash Ketchum.
The antihero of the Evil Dead trilogy is named Ash Williams.
A Britpop band; see Ash (band).
One of the Unix shells that serves as a command-line interface for computers running some variants of the Unix operating system; see Almquist shell.
In the compound form Mountain-ash, two other trees; Eucalyptus regnans in Australia, and an old alternative name for Rowans (Sorbus species).
A common short form for alt.suicide.holiday, a Usenet newsgroup

Ash is also the name of several places in the United Kingdom:

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