smudge

To make dirty, especially in one small area.

To smear or blur (something).

To fill (an orchard or an inhabited area) with dense smoke from a smudge pot in order to prevent damage from frost or to repel insects.

To smear something, such as dirt or soot.

To become smudged or blurred.

A blotch or smear.

A blurry or indistinct part or image.

A smoky fire used to protect against frost or to repel insects.

To smear or stain with dirt or filth; blacken with smoke.

To smoke or cure, as herring.