snort

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A rough, noisy sound made by breathing forcefully through the nostrils, as a horse or pig does.
2. n. A similar sound: the snort of a steam engine.
3. n. Slang A drink of liquor, especially when swallowed in one gulp.
4. n. Slang Cocaine or heroin, especially a small amount sniffed at one time.
5. n. Slang The liquor or drug so taken.
6. v. To breathe noisily and forcefully through the nostrils.
7. v. To make a sound resembling noisy exhalation: "The wind snorted across the Kansas plains” ( Gail Sheehy).
8. v. To make an abrupt noise expressive of scorn, ridicule, or contempt.
9. v. Slang To ingest a drug, such as cocaine or heroin, by sniffing.
10. v. To express by snorting: He snorted his disapproval.
11. v. Slang To ingest by sniffing: snorted cocaine.

Century Dictionary and Cyclopedia

1. To snore loudly.
2. To force the air with violence through the nose, so as to make a noise: said of persons under excitement, and especially of high-spirited horses.
3. To laugh outright or boisterously; burst into a horse-laugh.
4. To turn up: said of the nose.
5. To express by a snort; say with a snort: as, to snort defiance.
6. To expel or force out as by a snort.
7. n. A loud abrupt sound produced by forcing air through the nostrils.

Wiktionary

1. n. The sound made by exhaling or inhaling roughly through the nose.
2. n. slang A dose of a drug to be snorted. Here, "drug" includes snuff (i.e., pulverized tobacco). A snort also may be a drink of whiskey, as "Let's have a snort".
3. v. intransitive To make a snort; to exhale roughly through the nose.
4. v. transitive (slang) To inhale (usually a drug) through the nose.

GNU Webster's 1913

1. v. To force the air with violence through the nose, so as to make a noise, as do high-spirited horsed in prancing and play.
2. v. rare To snore.
3. v. colloq. To laugh out loudly.
4. n. The act of snorting; the sound produced in snorting.
5. v. To expel throught the nostrils with a snort; to utter with a snort.

WordNet 3.0

1. n. a cry or noise made to express displeasure or contempt
2. v. make a snorting sound by exhaling hard
3. v. inhale recreational drugs
4. v. inhale through the nose
5. v. indicate contempt by breathing noisily and forcefully through the nose
6. n. a disrespectful laugh