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.
User Defined Definitions
"plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions"
"ball of ice cream covered with coconut and usually chocolate sauce"
"ball of crushed ice with fruit syrup"
"increase or accumulate at a rapidly accelerating rate"