The Collaborative International Dictionary of English v.0.48:

Campanulaceae \Campanulaceae\ prop. n.
   A natural family of flowering plants, which in some
   classifications includes the Lobeliaciae.

   Syn: family Campanulaceae, bellflower family.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Campanulaceae
    n 1: family of plants of the order Campanulales; in some
         classifications includes Lobeliaceae [syn: Campanulaceae,
         family Campanulaceae, bellflower family]