Snow"ball` (?), n.
1.
A round mass of snow pressed or roller together, or anything resembling such a mass.
2. Bot.
The Guelder-rose.
Snowball tree Bot., the Guelder-rose.
<-- a snowball's chance in hell, [Colloq.] no chance; an infinitesimal chance. -->
© Webster 1913.
Snow"ball`, v. t. [imp. & p. p. Snowballed (?); p. pr. & vb. n. Snowballing.]
To pelt with snowballs; to throw snowballs at.
© Webster 1913.
Snow"ball`, v. i.
To throw snowballs.
<-- 2. To increase in magnitude with accelerating momentum, achieving large proportions; -- by analogy with a snowball rolling down a steep hill, causing a large snow slide. -->
© Webster 1913.