The Collaborative International Dictionary of English v.0.48:

Colchicaceae \Colchicaceae\ n.
   one of many subfamilies into which some classification
   systems subdivide the Liliaceae but not widely accepted:
   Colchicum; Gloriosa.

   Syn: family Colchicaceae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Colchicaceae
    n 1: one of many subfamilies into which some classification
         systems subdivide the Liliaceae but not widely accepted:
         genera Colchicum and Gloriosa [syn: Colchicaceae, family
         Colchicaceae]