The Collaborative International Dictionary of English v.0.48:

Albuginaceae \Albuginaceae\ n.
   1. 1 a family of fungi that produce white blisterlike sori on
      certain flowering plants.

   Syn: family Albuginaceae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Albuginaceae
    n 1: fungi that produce white sori resembling blisters on
         certain flowering plants [syn: Albuginaceae, family
         Albuginaceae]