smudge

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To make dirty, especially in one small area.
2. v. To smear or blur (something).
3. v. To fill (an orchard or another planted area) with dense smoke from a smudge pot in order to prevent damage from insects or frost.
4. v. To smear something as with dirt, soot, or ink.
5. v. To become smudged: Photo negatives smudge easily.
6. n. A blotch or smear.
7. n. A smoky fire used as a protection against insects or frost.

Century Dictionary and Cyclopedia

1. To smear or stain with dirt or filth; blacken with smoke.
2. To smoke or cure, as herring.
3. n. A spot; stain; smear.
4. n. The scrapings and cleanings of paint-pots, collected and used to cover the outer sides of roof-boards as a bed for roofing-canvas.
5. To stifle; smother.
6. To make a smudge in; fumigate with a smudge: as, to smudge a tent so as to drive away insects.
7. n. A suffocating smoke.
8. n. A heap of combustibles partially ignited and emitting a dense smoke; especially, such a fire made in or near a house, tent, or the like, so as to raise a dense smoke to repel insects.
9. n. In the game of set-back all-fours, the player who bids 4 and makes it, winning the came on the hand if he is not in the hole on the score at the time.

Wiktionary

1. n. A blemish; a smear.
2. n. Dense smoke, such as that used for fumigation.
3. v. To obscure by blurring; to smear.
4. v. To soil or smear with dirt.
5. v. To use dense smoke to protect from insects.

GNU Webster's 1913

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

WordNet 3.0

1. v. make a smudge on; soil by smudging
2. n. a blemish made by dirt
3. n. a smoky fire to drive away insects