D defs.my
Entry 6 senses · 3 variants Webster, 1913

Snowball

/snōʹbôl/ · Snow·ball · IPA /ˈsnoʊbɔl/
01 n. A round mass of snow pressed or roller together, or anything resembling such a mass.
  1. 1.
    A round mass of snow pressed or roller together, or anything resembling such a mass.
  2. 2.
    The Guelder-rose.(Bot.)
  3. 3.
    a shrub of the genus Viburnum, having large clusters of white flowers.(Bot.)
Phrases & compounds
Snowball bush — the Guelder-rose.
a snowball's chance in hell — no chance; an infinitesimal chance.
02 v. t. To pelt with snowballs; to throw snowballs at.
imp. & p. p. Snowballed; p. pr. & vb. n. Snowballing
  1. 1.
    To pelt with snowballs; to throw snowballs at.
03 v. i. To throw snowballs.
  1. 1.
    To throw snowballs.
  2. 2.
    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.