snowball

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A mass of soft, wet snow packed into a ball that can be thrown, as in play.
2. n. Chiefly Southern U.S. A cup of crushed or shaved ice flavored with colored syrup.
3. n. Any of several plants having rounded clusters of white flowers, as the guelder rose and certain species of the arrowwood.
4. v. To grow rapidly in significance, importance, or size: problems that snowballed by the hour.
5. v. To throw snowballs.
6. v. To cause to grow or increase rapidly.
7. v. To throw snowballs at.

Century Dictionary and Cyclopedia

1. n. A ball of snow; a round mass of snow pressed or rolled together.
2. n. The cultivated form of shrub Viburnum Opulus; the guelder-rose. The name is from its large white balls of flowers, which in cultivation have become sterile and consist merely of an enlarged corolla. See cranberry-tree, and cut under neutral.
3. n. In cookery:
4. n. A pudding made by putting rice which has been swelled in milk round a pared and cored apple, tying up in a cloth, and boiling well.
5. n. White of egg beaten stiff and put in spoonfuls to float on the top of custard.
6. n. Rice boiled, pressed into shape in a cup, and variously served.
7. To pelt with snowballs.
8. To throw snowballs.
9. n. A delicate pudding steamed in a mold, then rolled in powdered sugar, and served with wine sauce.

Wiktionary

1. n. A ball of snow, usually one made in the hand and thrown for amusement in a snowball fight; also a larger ball of snow made by rolling a snowball around in snow that sticks to it and increases its diameter.
2. n. A cocktail made from lemonade and advocaat.
3. n. figuratively Something that snowballs (grows rapidly out of control).
4. n. A sex act involving passing ejaculated semen from one person's mouth to another's.
5. v. intransitive To rapidly grow out of proportion or control.
6. v. intransitive To play at throwing snowballs.
7. v. intransitive (sexual slang) To receive a man's ejaculate in one's mouth, and then to pass it back and forth between one's mouth and his.

GNU Webster's 1913

1. n. A round mass of snow pressed or roller together, or anything resembling such a mass.
2. n. (Bot.) The Guelder-rose.
3. n. (Bot.) a shrub of the genus Viburnum, having large clusters of white flowers.
4. v. To pelt with snowballs; to throw snowballs at.
5. v. To throw snowballs.
6. v. To increase in magnitude at an accelerating rate, achieving large proportions; -- by analogy with a snowball rolling down a steep hill, causing a large snow slide.

WordNet 3.0

1. n. snow pressed into a ball for throwing (playfully)
2. v. increase or accumulate at a rapidly accelerating rate
3. n. plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
4. n. ball of ice cream covered with coconut and usually chocolate sauce
5. n. ball of crushed ice with fruit syrup
6. v. throw snowballs at