What does "smudge" mean?

Smudge: A heap of damp combustibles partially ignited and burning slowly, placed on the windward side of a house, tent, or the like, in order, by the thick smoke, to keep off mosquitoes or other insects. [U. S.] Bartlett.

Additional senses

  1. 2.That which is smeared upon anything; a stain; a blot; a smutch; a smear.
  2. 3.To stifle or smother with smoke; to smoke by means of a smudge.
  3. 4.To smear; to smutch; to soil; to blacken with smoke.

Sources