'Snowball tree' definitions:

Definition of 'Snowball tree'

From: GCIDE
  • Snowball \Snow"ball`\, n.
  • 1. A round mass of snow pressed or roller together, or anything resembling such a mass. [1913 Webster]
  • 2. (Bot.) The Guelder-rose. [1913 Webster]
  • 3. (Bot.) a shrub of the genus Viburnum, having large clusters of white flowers. [PJC]
  • Snowball bush or Snowball tree (Bot.), the Guelder-rose.
  • a snowball's chance in hell, [Colloq.] no chance; an infinitesimal chance. [1913 Webster +PJC]

Definition of 'snowball tree'

From: GCIDE
  • Guelderrose' \Guel"der*rose'\, n. [Supposed to be brought from Guelderland; hence, D. Geldersche roos, G. Gelderische rose, F. rose de Gueldre, It. rose di Gueldra, Sp. rosa de Gueldres.] (Bot.) A cultivated variety of a species of Viburnum ({V. Opulus}), bearing large bunches of white flowers; -- called also snowball tree. Guelph