The Mouth

Implies two. Neither of which. Absence of. Absence of relation.
Without reference, regard-to; in the abstract; a se.
Neither here nor there. Void vacuous desert devoid.
Exempt from, not having. Without, nowhere, nowther. Hiatus. Non est inventus.
Pariah. Oasis. Except unless save barring beside without.
Absent equal true. Nor neither.
Neither one, no one of two, none, not any one, no thing. And not. Nor yet.

A fine dry powder of tiny particles of waste matter or earth.
A film of dust like a membrane, covering or layering the body or thing, on the groud, 
On surfaces or carried in the air.
The dust of the earth, a place of burial.
Dust within a room, mostly of dead skin: a powder of mortal remains.