The Collaborative International Dictionary of English v.0.48:

Hostaceae \Hostaceae\ prop. n.
   One of many families or subfamilies into which some
   classification systems subdivide the Liliaceae but not widely
   accepted; includes genus Hosta.

   Syn: family Hostaceae, Funkaceae, family Funkaceae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Hostaceae
    n 1: one of many families or subfamilies into which some
         classification systems subdivide the Liliaceae but not
         widely accepted; includes genus Hosta [syn: Hostaceae,
         family Hostaceae, Funkaceae, family Funkaceae]